115261545 has 16 divisors (see below), whose sum is σ = 210764160. Its totient is φ = 52690944.

The previous prime is 115261541. The next prime is 115261567. The reversal of 115261545 is 545162511.

It is not a de Polignac number, because 115261545 - 2² = 115261541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115261541) 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, 548760 + ... + 548969.

It is an arithmetic number, because the mean of its divisors is an integer number (13172760).

Almost surely, 2^115261545 is an apocalyptic number.

115261545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115261545 is a deficient number, since it is larger than the sum of its proper divisors (95502615).

115261545 is a wasteful number, since it uses less digits than its factorization.

115261545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097744.

The product of its digits is 6000, while the sum is 30.

The square root of 115261545 is about 10735.9929675834. The cubic root of 115261545 is about 486.6627944793.

The spelling of 115261545 in words is "one hundred fifteen million, two hundred sixty-one thousand, five hundred forty-five".