256159150 has 48 divisors (see below), whose sum is σ = 514748304. Its totient is φ = 94279680.

The previous prime is 256159139. The next prime is 256159153. The reversal of 256159150 is 51951652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256159153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374709 + ... + 375391.

It is an arithmetic number, because the mean of its divisors is an integer number (10723923).

Almost surely, 2^256159150 is an apocalyptic number.

256159150 is an abundant number, since it is smaller than the sum of its proper divisors (258589154).

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

256159150 is a wasteful number, since it uses less digits than its factorization.

256159150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 256159150 is about 16004.9726647689. The cubic root of 256159150 is about 635.0919741950.

The spelling of 256159150 in words is "two hundred fifty-six million, one hundred fifty-nine thousand, one hundred fifty".