It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a nialpdrome in base 5.
It is a zygodrome in base 2 and base 5.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 15456.
15456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
215456 is an apocalyptic number.
15456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15456 is a wasteful number, since it uses less digits than its factorization.
15456 is an evil number, because the sum of its binary digits is even.
The square root of 15456 is about 124.3221621434. The cubic root of 15456 is about 24.9095397391.
The spelling of 15456 in words is "fifteen thousand, four hundred fifty-six".