256151108 has 24 divisors (see below), whose sum is σ = 459939480. Its totient is φ = 124750080.

The previous prime is 256151099. The next prime is 256151131. The reversal of 256151108 is 801151652.

It can be written as a sum of positive squares in 4 ways, for example, as 8340544 + 247810564 = 2888^2 + 15742^2 .

It is a super-2 number, since 2×256151108² = 131226780259255328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178538 + ... + 179966.

It is an arithmetic number, because the mean of its divisors is an integer number (19164145).

Almost surely, 2^256151108 is an apocalyptic number.

It is an amenable number.

256151108 is a deficient number, since it is larger than the sum of its proper divisors (203788372).

256151108 is a wasteful number, since it uses less digits than its factorization.

256151108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 256151108 is about 16004.7214283786. The cubic root of 256151108 is about 635.0853279842.

The spelling of 256151108 in words is "two hundred fifty-six million, one hundred fifty-one thousand, one hundred eight".