Hecho general: 9156 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 9156 is a value of n for which n and 8n together use each digit 1-9 exactly once.
Trivia: 9156 is an uninteresting number.
Fecha histórica: January 24th is the day in 1946 that the United Nations General Assembly passes its first resolution to establish the United Nations Atomic Energy Commission.