157255951 has 16 divisors (see below), whose sum is σ = 175442400. Its totient is φ = 140313600.

The previous prime is 157255907. The next prime is 157255961. The reversal of 157255951 is 159552751.

It is a happy number.

It is not a de Polignac number, because 157255951 - 2²³ = 148867343 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 (157255961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19111 + ... + 26071.

It is an arithmetic number, because the mean of its divisors is an integer number (10965150).

Almost surely, 2^157255951 is an apocalyptic number.

157255951 is a deficient number, since it is larger than the sum of its proper divisors (18186449).

157255951 is a wasteful number, since it uses less digits than its factorization.

157255951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050.

The product of its digits is 78750, while the sum is 40.

The square root of 157255951 is about 12540.1734836485. The cubic root of 157255951 is about 539.7620705356.

The spelling of 157255951 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, nine hundred fifty-one".