115814181 has 16 divisors (see below), whose sum is σ = 181249664. Its totient is φ = 64390464.

The previous prime is 115814159. The next prime is 115814189. The reversal of 115814181 is 181418511.

It is not a de Polignac number, because 115814181 - 2⁹ = 115813669 is a prime.

It is a super-2 number, since 2×115814181² = 26825849041401522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115814189) 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, 73750 + ... + 75303.

It is an arithmetic number, because the mean of its divisors is an integer number (11328104).

Almost surely, 2^115814181 is an apocalyptic number.

It is an amenable number.

115814181 is a deficient number, since it is larger than the sum of its proper divisors (65435483).

115814181 is a wasteful number, since it uses less digits than its factorization.

115814181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149100.

The product of its digits is 1280, while the sum is 30.

The square root of 115814181 is about 10761.6997263443. The cubic root of 115814181 is about 487.4393434065.

The spelling of 115814181 in words is "one hundred fifteen million, eight hundred fourteen thousand, one hundred eighty-one".