115155045 has 24 divisors (see below), whose sum is σ = 200069376. Its totient is φ = 61272288.

The previous prime is 115155041. The next prime is 115155077. The reversal of 115155045 is 540551511.

115155045 is a `hidden beast` number, since 1 + 151 + 5 + 504 + 5 = 666.

It is not a de Polignac number, because 115155045 - 2² = 115155041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115155041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18072 + ... + 23598.

It is an arithmetic number, because the mean of its divisors is an integer number (8336224).

Almost surely, 2^115155045 is an apocalyptic number.

115155045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115155045 is a deficient number, since it is larger than the sum of its proper divisors (84914331).

115155045 is a wasteful number, since it uses less digits than its factorization.

115155045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001 (or 5998 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 115155045 is about 10731.0318702350. The cubic root of 115155045 is about 486.5128584965.

The spelling of 115155045 in words is "one hundred fifteen million, one hundred fifty-five thousand, forty-five".