857456151 has 32 divisors (see below), whose sum is σ = 1188096000. Its totient is φ = 549815904.

The previous prime is 857456147. The next prime is 857456161. The reversal of 857456151 is 151654758.

It is not a de Polignac number, because 857456151 - 2² = 857456147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857456161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1718100 + ... + 1718598.

It is an arithmetic number, because the mean of its divisors is an integer number (37128000).

Almost surely, 2^857456151 is an apocalyptic number.

857456151 is a deficient number, since it is larger than the sum of its proper divisors (330639849).

857456151 is a wasteful number, since it uses less digits than its factorization.

857456151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its digits is 168000, while the sum is 42.

The square root of 857456151 is about 29282.3522108454. The cubic root of 857456151 is about 950.0299717229.

The spelling of 857456151 in words is "eight hundred fifty-seven million, four hundred fifty-six thousand, one hundred fifty-one".