Fatto matematico: 24542 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 24542 is an uninteresting number.
Data storica: March 11th is the day in 1888 that the Great Blizzard of 1888 begins along the eastern seaboard of the United States, shutting down commerce and killing more than 400.