Fait général: 48457 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 48457 is an unremarkable number.
Culture générale: 48457 is an uninteresting number.
Date historique: September 1st is the day in 1878 that Emma Nutt becomes the world's first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.