115156128 has 48 divisors (see below), whose sum is σ = 303500736. Its totient is φ = 38231040.

The previous prime is 115156123. The next prime is 115156177. The reversal of 115156128 is 821651511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×115156128³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115156095 and 115156104.

It is not an unprimeable number, because it can be changed into a prime (115156123) 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, 22968 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (6322932).

Almost surely, 2^115156128 is an apocalyptic number.

It is an amenable number.

115156128 is an abundant number, since it is smaller than the sum of its proper divisors (188344608).

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

115156128 is a wasteful number, since it uses less digits than its factorization.

115156128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837 (or 4829 counting only the distinct ones).

The product of its digits is 2400, while the sum is 30.

The square root of 115156128 is about 10731.0823312469. The cubic root of 115156128 is about 486.5143836628.

The spelling of 115156128 in words is "one hundred fifteen million, one hundred fifty-six thousand, one hundred twenty-eight".