15145056 has 60 divisors (see below), whose sum is σ = 44548812. Its totient is φ = 5047488.

The previous prime is 15145049. The next prime is 15145087. The reversal of 15145056 is 65054151.

It is a happy number.

15145056 is a `hidden beast` number, since 151 + 4 + 505 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 330 + ... + 5513.

Almost surely, 2^15145056 is an apocalyptic number.

15145056 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 15145056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22274406).

15145056 is an abundant number, since it is smaller than the sum of its proper divisors (29403756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15145056 is an equidigital number, since it uses as much as digits as its factorization.

15145056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 15145056 is about 3891.6649393287. The cubic root of 15145056 is about 247.4136337775.

The spelling of 15145056 in words is "fifteen million, one hundred forty-five thousand, fifty-six".