256106152 has 8 divisors (see below), whose sum is σ = 480199050. Its totient is φ = 128053072.

The previous prime is 256106143. The next prime is 256106153. The reversal of 256106152 is 251601652.

It can be written as a sum of positive squares in only one way, i.e., 255808036 + 298116 = 15994^2 + 546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×256106152² = 131180722184494208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 256106152.

It is not an unprimeable number, because it can be changed into a prime (256106153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16006627 + ... + 16006642.

Almost surely, 2^256106152 is an apocalyptic number.

It is an amenable number.

256106152 is a deficient number, since it is larger than the sum of its proper divisors (224092898).

256106152 is a wasteful number, since it uses less digits than its factorization.

256106152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32013275 (or 32013271 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 256106152 is about 16003.3169061917. The cubic root of 256106152 is about 635.0481720952.

The spelling of 256106152 in words is "two hundred fifty-six million, one hundred six thousand, one hundred fifty-two".