115305732 has 18 divisors (see below), whose sum is σ = 291467358. Its totient is φ = 38435232.

The previous prime is 115305691. The next prime is 115305797. The reversal of 115305732 is 237503511.

It can be written as a sum of positive squares in only one way, i.e., 114190596 + 1115136 = 10686^2 + 1056^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 115305696 and 115305705.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601433 + ... + 1601504.

It is an arithmetic number, because the mean of its divisors is an integer number (16192631).

Almost surely, 2^115305732 is an apocalyptic number.

115305732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115305732 is an abundant number, since it is smaller than the sum of its proper divisors (176161626).

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

115305732 is a wasteful number, since it uses less digits than its factorization.

115305732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202947 (or 3202942 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 115305732 is about 10738.0506610837. The cubic root of 115305732 is about 486.7249760205.

The spelling of 115305732 in words is "one hundred fifteen million, three hundred five thousand, seven hundred thirty-two".