157311190 has 16 divisors (see below), whose sum is σ = 283400928. Its totient is φ = 62870976.

The previous prime is 157311181. The next prime is 157311233. The reversal of 157311190 is 91113751.

It is a super-2 number, since 2×157311190² = 49493620998432200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994 + ... + 19066.

It is an arithmetic number, because the mean of its divisors is an integer number (17712558).

Almost surely, 2^157311190 is an apocalyptic number.

157311190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157311190 is a deficient number, since it is larger than the sum of its proper divisors (126089738).

157311190 is a wasteful number, since it uses less digits than its factorization.

157311190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 157311190 is about 12542.3757717587. The cubic root of 157311190 is about 539.8252635370.

The spelling of 157311190 in words is "one hundred fifty-seven million, three hundred eleven thousand, one hundred ninety".