157156458 has 16 divisors (see below), whose sum is σ = 316575840. Its totient is φ = 52008336.

The previous prime is 157156411. The next prime is 157156459. The reversal of 157156458 is 854651751.

It is a super-2 number, since 2×157156458² = 49396304582211528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157156459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93385 + ... + 95052.

It is an arithmetic number, because the mean of its divisors is an integer number (19785990).

Almost surely, 2^157156458 is an apocalyptic number.

157156458 is an abundant number, since it is smaller than the sum of its proper divisors (159419382).

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

157156458 is a wasteful number, since it uses less digits than its factorization.

157156458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188581.

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

The square root of 157156458 is about 12536.2058853546. The cubic root of 157156458 is about 539.6482139495.

The spelling of 157156458 in words is "one hundred fifty-seven million, one hundred fifty-six thousand, four hundred fifty-eight".