115302432 has 96 divisors (see below), whose sum is σ = 366291072. Its totient is φ = 31002624.

The previous prime is 115302409. The next prime is 115302457. The reversal of 115302432 is 234203511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×115302432² = 26589301650229248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 115302399 and 115302408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6378 + ... + 16470.

It is an arithmetic number, because the mean of its divisors is an integer number (3815532).

Almost surely, 2^115302432 is an apocalyptic number.

115302432 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 115302432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183145536).

115302432 is an abundant number, since it is smaller than the sum of its proper divisors (250988640).

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

115302432 is a wasteful number, since it uses less digits than its factorization.

115302432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130 (or 10122 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 115302432 is about 10737.8970008098. The cubic root of 115302432 is about 486.7203326903.

Adding to 115302432 its reverse (234203511), we get a palindrome (349505943).

The spelling of 115302432 in words is "one hundred fifteen million, three hundred two thousand, four hundred thirty-two".