It's about the number of Olympic Gold Medals Won by the Soviet Union.
In other words, the count of Olympic Gold Medals Won by the Soviet Union is 1.05 times 450.(a.k.a. Union of Soviet Socialist Republics, a.k.a. USSR, a.k.a. Сою́з Сове́тских Социалисти́ческих Респу́блик, a.k.a. CCCP) (a.k.a. Olympic Games, a.k.a. Jeux olympiques) (Summer and Winter Games grand totals; excluding Russian Federation Medals) (1952 thru 1988 figures)
It's about nine-tenths the number of Stores in the Mall of America.
In other words, 450 is 0.870 times the count of Stores in the Mall of America, and the count of Stores in the Mall of America is 1.10 times that amount.(a.k.a. MOA, a.k.a. MoA, a.k.a. Megamall) (Bloomington, Minnesota) (2015 figures) (approximate)
It's about one-and-three-tenths times the number of Sesame Seeds on a Big Mac bun.
It's about one-and-two-fifths times the number of Manned Flights to Space.
In other words, 450 is 1.440 times the count of a Manned Flights to Space, and the count of a Manned Flights to Space is 0.6940 times that amount.(2016 figures) (flights with at least 80km altitude; US, Russia, the Soviet Union, and China)
Since the flight of the Vostok 1 in April, 1961, there have been a total of 312 manned spaceflights under the American, Russian, Soviet, and Chinese space programs. Furthermore, the space programs of the US, Russia, the Soviet Union, France, Argentina, and Iran have launched a total 32 monkeys (specifically rhesus, cynomolgus, and squirrel monkeys, macaques, chimpanzees) into space.
It's about seven-tenths the number of Members of Parliament (The U.K.).
In other words, 450 is 0.690 times the count of Members of Parliament (The U.K.), and the count of Members of Parliament (The U.K.) is 1.40 times that amount.(a.k.a. MPs) (2016 figures) (formally "Members of the House of Commons of the Parliament of the United Kingdom of Great Britain and Northern Ireland")
There are 650 Members of Parliament in the U.K. The Commons Chamber in the Palace of Westminster only has seating for 427 members, so those arriving late to House debates must stay standing.
It's about one-and-a-half times the number of Beatles Songs.
In other words, 450 is 1.460 times the count of Beatles Songs, and the count of Beatles Songs is 0.6850 times that amount.(a.k.a. The Beatles) (1958 thru 1996)
On a total of 58 albums, the Beatles recorded 309 songs during their performing career (with three of the songs released only on post-breakup Anthology albums after 1970). Of their catalog, a total of thirteen songs were number-one chart hits in both the US and the UK.
It's about one-and-three-fifths times the number of Professional Baseball Teams in the United States.
In other words, 450 is 1.630 times the count of Professional Baseball Teams in the United States, and the count of Professional Baseball Teams in the United States is 0.6130 times that amount.(2016 figures) (includes Major, Minor, and Independent Leagues)