115145500 has 24 divisors (see below), whose sum is σ = 251478864. Its totient is φ = 46058000.

The previous prime is 115145489. The next prime is 115145519. The reversal of 115145500 is 5541511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114646 + ... + 115645.

It is an arithmetic number, because the mean of its divisors is an integer number (10478286).

Almost surely, 2^115145500 is an apocalyptic number.

115145500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115145500 is an abundant number, since it is smaller than the sum of its proper divisors (136333364).

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

115145500 is a wasteful number, since it uses less digits than its factorization.

115145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230310 (or 230298 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 115145500 is about 10730.5871227999. The cubic root of 115145500 is about 486.4994160589.

The spelling of 115145500 in words is "one hundred fifteen million, one hundred forty-five thousand, five hundred".