157539155 has 16 divisors (see below), whose sum is σ = 196180320. Its totient is φ = 121347072.

The previous prime is 157539139. The next prime is 157539157. The reversal of 157539155 is 551935751.

It is a cyclic number.

It is not a de Polignac number, because 157539155 - 2⁴ = 157539139 is a prime.

It is a super-2 number, since 2×157539155² = 49637170716228050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157539157) 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, 13556 + ... + 22334.

It is an arithmetic number, because the mean of its divisors is an integer number (12261270).

Almost surely, 2^157539155 is an apocalyptic number.

157539155 is a deficient number, since it is larger than the sum of its proper divisors (38641165).

157539155 is an equidigital number, since it uses as much as digits as its factorization.

157539155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8918.

The product of its digits is 118125, while the sum is 41.

The square root of 157539155 is about 12551.4602736096. The cubic root of 157539155 is about 540.0858974010.

The spelling of 157539155 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, one hundred fifty-five".