115505545 has 16 divisors (see below), whose sum is σ = 140356800. Its totient is φ = 91246144.

The previous prime is 115505501. The next prime is 115505567. The reversal of 115505545 is 545505511.

It is a cyclic number.

It is not a de Polignac number, because 115505545 - 2⁷ = 115505417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168774 + ... + 169456.

It is an arithmetic number, because the mean of its divisors is an integer number (8772300).

Almost surely, 2^115505545 is an apocalyptic number.

It is an amenable number.

115505545 is a deficient number, since it is larger than the sum of its proper divisors (24851255).

115505545 is a wasteful number, since it uses less digits than its factorization.

115505545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 115505545 is about 10747.3506037535. The cubic root of 115505545 is about 487.0059619204.

The spelling of 115505545 in words is "one hundred fifteen million, five hundred five thousand, five hundred forty-five".