151811256 has 32 divisors (see below), whose sum is σ = 379898640. Its totient is φ = 50554368.

The previous prime is 151811243. The next prime is 151811263. The reversal of 151811256 is 652118151.

151811256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 28690 + ... + 33566.

Almost surely, 2^151811256 is an apocalyptic number.

It is an amenable number.

151811256 is an abundant number, since it is smaller than the sum of its proper divisors (228087384).

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

151811256 is a wasteful number, since it uses less digits than its factorization.

151811256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183 (or 6179 counting only the distinct ones).

The product of its digits is 2400, while the sum is 30.

The square root of 151811256 is about 12321.1710482405. The cubic root of 151811256 is about 533.4593414069.

The spelling of 151811256 in words is "one hundred fifty-one million, eight hundred eleven thousand, two hundred fifty-six".