115900169 has 32 divisors (see below), whose sum is σ = 157199616. Its totient is φ = 82667520.

The previous prime is 115900157. The next prime is 115900177. The reversal of 115900169 is 961009511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115900169 - 2⁸ = 115899913 is a prime.

It is a super-3 number, since 3×115900169³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115900199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47237 + ... + 49629.

It is an arithmetic number, because the mean of its divisors is an integer number (4912488).

Almost surely, 2^115900169 is an apocalyptic number.

It is an amenable number.

115900169 is a deficient number, since it is larger than the sum of its proper divisors (41299447).

115900169 is a wasteful number, since it uses less digits than its factorization.

115900169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 115900169 is about 10765.6940788785. The cubic root of 115900169 is about 487.5599491474.

The spelling of 115900169 in words is "one hundred fifteen million, nine hundred thousand, one hundred sixty-nine".