115156194 has 16 divisors (see below), whose sum is σ = 230787360. Its totient is φ = 38306240.

The previous prime is 115156189. The next prime is 115156199. The reversal of 115156194 is 491651511.

It is an interprime number because it is at equal distance from previous prime (115156189) and next prime (115156199).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115156199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16599 + ... + 22490.

It is an arithmetic number, because the mean of its divisors is an integer number (14424210).

Almost surely, 2^115156194 is an apocalyptic number.

115156194 is an abundant number, since it is smaller than the sum of its proper divisors (115631166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115156194 is a wasteful number, since it uses less digits than its factorization.

115156194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39585.

The product of its digits is 5400, while the sum is 33.

The square root of 115156194 is about 10731.0854064256. The cubic root of 115156194 is about 486.5144766089.

The spelling of 115156194 in words is "one hundred fifteen million, one hundred fifty-six thousand, one hundred ninety-four".