151856271 has 12 divisors (see below), whose sum is σ = 250683472. Its totient is φ = 86774976.

The previous prime is 151856239. The next prime is 151856323. The reversal of 151856271 is 172658151.

151856271 is a `hidden beast` number, since 15 + 18 + 5 + 627 + 1 = 666.

It is not a de Polignac number, because 151856271 - 2⁵ = 151856239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151852271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1205146 + ... + 1205271.

Almost surely, 2^151856271 is an apocalyptic number.

151856271 is a deficient number, since it is larger than the sum of its proper divisors (98827201).

151856271 is a wasteful number, since it uses less digits than its factorization.

151856271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410430 (or 2410427 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 151856271 is about 12322.9976466767. The cubic root of 151856271 is about 533.5120632313.

The spelling of 151856271 in words is "one hundred fifty-one million, eight hundred fifty-six thousand, two hundred seventy-one".