256154152 has 8 divisors (see below), whose sum is σ = 480289050. Its totient is φ = 128077072.

The previous prime is 256154149. The next prime is 256154161. The reversal of 256154152 is 251451652.

It can be written as a sum of positive squares in only one way, i.e., 254913156 + 1240996 = 15966^2 + 1114^2 .

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

It is a super-2 number, since 2×256154152² = 131229899173678208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16009627 + ... + 16009642.

Almost surely, 2^256154152 is an apocalyptic number.

It is an amenable number.

256154152 is a deficient number, since it is larger than the sum of its proper divisors (224134898).

256154152 is a wasteful number, since it uses less digits than its factorization.

256154152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32019275 (or 32019271 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 256154152 is about 16004.8165250340. The cubic root of 256154152 is about 635.0878436765.

The spelling of 256154152 in words is "two hundred fifty-six million, one hundred fifty-four thousand, one hundred fifty-two".