115705157 has 16 divisors (see below), whose sum is σ = 127975680. Its totient is φ = 104227200.

The previous prime is 115705151. The next prime is 115705159. The reversal of 115705157 is 751507511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115705157 - 2⁴ = 115705141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115705151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25232 + ... + 29462.

It is an arithmetic number, because the mean of its divisors is an integer number (7998480).

Almost surely, 2^115705157 is an apocalyptic number.

It is an amenable number.

115705157 is a deficient number, since it is larger than the sum of its proper divisors (12270523).

115705157 is a wasteful number, since it uses less digits than its factorization.

115705157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324.

The product of its (nonzero) digits is 6125, while the sum is 32.

The square root of 115705157 is about 10756.6331628442. The cubic root of 115705157 is about 487.2863417883.

The spelling of 115705157 in words is "one hundred fifteen million, seven hundred five thousand, one hundred fifty-seven".