102556044 has 30 divisors (see below), whose sum is σ = 268102604. Its totient is φ = 34185240.

The previous prime is 102556039. The next prime is 102556073. The reversal of 102556044 is 440655201.

102556044 is a `hidden beast` number, since 1 + 0 + 2 + 55 + 604 + 4 = 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 junction number, because it is equal to n+sod(n) for n = 102555999 and 102556017.

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, 157942 + ... + 158589.

Almost surely, 2^102556044 is an apocalyptic number.

It is an amenable number.

102556044 is an abundant number, since it is smaller than the sum of its proper divisors (165546560).

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

102556044 is a wasteful number, since it uses less digits than its factorization.

102556044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316547 (or 316536 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 102556044 is about 10126.9958032972. The cubic root of 102556044 is about 468.0803609538.

The spelling of 102556044 in words is "one hundred two million, five hundred fifty-six thousand, forty-four".