115081745 has 4 divisors (see below), whose sum is σ = 138098100. Its totient is φ = 92065392.

The previous prime is 115081739. The next prime is 115081751. The reversal of 115081745 is 547180511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115081739) and next prime (115081751).

It can be written as a sum of positive squares in 2 ways, for example, as 50069776 + 65011969 = 7076^2 + 8063^2 .

It is a cyclic number.

It is not a de Polignac number, because 115081745 - 2²⁴ = 98304529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11508170 + ... + 11508179.

It is an arithmetic number, because the mean of its divisors is an integer number (34524525).

Almost surely, 2^115081745 is an apocalyptic number.

It is an amenable number.

115081745 is a deficient number, since it is larger than the sum of its proper divisors (23016355).

115081745 is an equidigital number, since it uses as much as digits as its factorization.

115081745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016354.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 115081745 is about 10727.6159979746. The cubic root of 115081745 is about 486.4096094038.

The spelling of 115081745 in words is "one hundred fifteen million, eighty-one thousand, seven hundred forty-five".