115415528 has 16 divisors (see below), whose sum is σ = 218548260. Its totient is φ = 57136000.

The previous prime is 115415527. The next prime is 115415581. The reversal of 115415528 is 825514511.

It can be written as a sum of positive squares in 2 ways, for example, as 115390564 + 24964 = 10742^2 + 158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115415494 and 115415503.

It is not an unprimeable number, because it can be changed into a prime (115415527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70613 + ... + 72228.

Almost surely, 2^115415528 is an apocalyptic number.

It is an amenable number.

115415528 is a deficient number, since it is larger than the sum of its proper divisors (103132732).

115415528 is a wasteful number, since it uses less digits than its factorization.

115415528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142948 (or 142944 counting only the distinct ones).

The product of its digits is 8000, while the sum is 32.

The square root of 115415528 is about 10743.1619181692. The cubic root of 115415528 is about 486.8794161662.

The spelling of 115415528 in words is "one hundred fifteen million, four hundred fifteen thousand, five hundred twenty-eight".