Fatto generale: 45713 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 45713 is an uninteresting number.
Trivia: 45713 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 26th is the day in 1971 that U.N. Secretary General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.