115372157 has 2 divisors, whose sum is σ = 115372158. Its totient is φ = 115372156.

The previous prime is 115372141. The next prime is 115372171. The reversal of 115372157 is 751273511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112063396 + 3308761 = 10586^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 115372157 - 2⁴ = 115372141 is a prime.

It is a super-2 number, since 2×115372157² = 26621469221665298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115372457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57686078 + 57686079.

It is an arithmetic number, because the mean of its divisors is an integer number (57686079).

Almost surely, 2^115372157 is an apocalyptic number.

It is an amenable number.

115372157 is a deficient number, since it is larger than the sum of its proper divisors (1).

115372157 is an equidigital number, since it uses as much as digits as its factorization.

115372157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7350, while the sum is 32.

The square root of 115372157 is about 10741.1431886927. The cubic root of 115372157 is about 486.8184217947.

The spelling of 115372157 in words is "one hundred fifteen million, three hundred seventy-two thousand, one hundred fifty-seven".