115388154 has 48 divisors (see below), whose sum is σ = 286827840. Its totient is φ = 32840640.

The previous prime is 115388131. The next prime is 115388173. The reversal of 115388154 is 451883511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33777 + ... + 37035.

It is an arithmetic number, because the mean of its divisors is an integer number (5975580).

Almost surely, 2^115388154 is an apocalyptic number.

115388154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115388154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143413920).

115388154 is an abundant number, since it is smaller than the sum of its proper divisors (171439686).

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

115388154 is a wasteful number, since it uses less digits than its factorization.

115388154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555 (or 3552 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 115388154 is about 10741.8878229108. The cubic root of 115388154 is about 486.8409207944.

The spelling of 115388154 in words is "one hundred fifteen million, three hundred eighty-eight thousand, one hundred fifty-four".