115032300 has 144 divisors (see below), whose sum is σ = 347061120. Its totient is φ = 29399040.

The previous prime is 115032287. The next prime is 115032301. The reversal of 115032300 is 3230511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 115032300.

It is not an unprimeable number, because it can be changed into a prime (115032301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1185852 + ... + 1185948.

Almost surely, 2^115032300 is an apocalyptic number.

115032300 is a gapful number since it is divisible by the number (10) 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 115032300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173530560).

115032300 is an abundant number, since it is smaller than the sum of its proper divisors (232028820).

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

115032300 is a wasteful number, since it uses less digits than its factorization.

115032300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 115032300 is about 10725.3111842967. The cubic root of 115032300 is about 486.3399372810.

Adding to 115032300 its reverse (3230511), we get a palindrome (118262811).

The spelling of 115032300 in words is "one hundred fifteen million, thirty-two thousand, three hundred".