115445532 has 24 divisors (see below), whose sum is σ = 269667216. Its totient is φ = 38439808.

The previous prime is 115445531. The next prime is 115445537. The reversal of 115445532 is 235544511.

It is a self number, because there is not a number n which added to its sum of digits gives 115445532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115445531) 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, 7408 + ... + 16904.

It is an arithmetic number, because the mean of its divisors is an integer number (11236134).

Almost surely, 2^115445532 is an apocalyptic number.

115445532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115445532 is an abundant number, since it is smaller than the sum of its proper divisors (154221684).

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

115445532 is a wasteful number, since it uses less digits than its factorization.

115445532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10517 (or 10515 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 115445532 is about 10744.5582505750. The cubic root of 115445532 is about 486.9216030497.

The spelling of 115445532 in words is "one hundred fifteen million, four hundred forty-five thousand, five hundred thirty-two".