115156032 has 112 divisors (see below), whose sum is σ = 322600320. Its totient is φ = 36179968.

The previous prime is 115155973. The next prime is 115156033. The reversal of 115156032 is 230651511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 115155993 and 115156011.

It is not an unprimeable number, because it can be changed into a prime (115156033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392878 + ... + 393170.

It is an arithmetic number, because the mean of its divisors is an integer number (2880360).

Almost surely, 2^115156032 is an apocalyptic number.

115156032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115156032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161300160).

115156032 is an abundant number, since it is smaller than the sum of its proper divisors (207444288).

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

115156032 is a wasteful number, since it uses less digits than its factorization.

115156032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 115156032 is about 10731.0778582582. The cubic root of 115156032 is about 486.5142484684.

The spelling of 115156032 in words is "one hundred fifteen million, one hundred fifty-six thousand, thirty-two".