115431552 has 96 divisors (see below), whose sum is σ = 335915580. Its totient is φ = 38043648.

The previous prime is 115431541. The next prime is 115431557. The reversal of 115431552 is 255134511.

It can be written as a sum of positive squares in 2 ways, for example, as 106998336 + 8433216 = 10344^2 + 2904^2 .

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

It is not an unprimeable number, because it can be changed into a prime (115431557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111228 + ... + 112260.

Almost surely, 2^115431552 is an apocalyptic number.

115431552 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 115431552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167957790).

115431552 is an abundant number, since it is smaller than the sum of its proper divisors (220484028).

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

115431552 is a wasteful number, since it uses less digits than its factorization.

115431552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1135 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 115431552 is about 10743.9076690001. The cubic root of 115431552 is about 486.9019474924.

The spelling of 115431552 in words is "one hundred fifteen million, four hundred thirty-one thousand, five hundred fifty-two".