115145499 has 16 divisors (see below), whose sum is σ = 177271808. Its totient is φ = 65117952.

The previous prime is 115145489. The next prime is 115145519. The reversal of 115145499 is 994541511.

It is not a de Polignac number, because 115145499 - 2⁸ = 115145243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115145489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26227 + ... + 30300.

It is an arithmetic number, because the mean of its divisors is an integer number (11079488).

Almost surely, 2^115145499 is an apocalyptic number.

115145499 is a deficient number, since it is larger than the sum of its proper divisors (62126309).

115145499 is an equidigital number, since it uses as much as digits as its factorization.

115145499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56634.

The product of its digits is 32400, while the sum is 39.

The square root of 115145499 is about 10730.5870762042. The cubic root of 115145499 is about 486.4994146505.

The spelling of 115145499 in words is "one hundred fifteen million, one hundred forty-five thousand, four hundred ninety-nine".