Fait général: 47454 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47454 is a boring number.
Culture générale: 47454 is an unremarkable number.
Date historique: December 3rd is the day in 1959 that the current flag of Singapore is adopted, six months after Singapore became self-governing within the British Empire.