115745015 has 4 divisors (see below), whose sum is σ = 138894024. Its totient is φ = 92596008.

The previous prime is 115745011. The next prime is 115745053. The reversal of 115745015 is 510547511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510547511 = 47 ⋅10862713.

It is a cyclic number.

It is not a de Polignac number, because 115745015 - 2² = 115745011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115745011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11574497 + ... + 11574506.

It is an arithmetic number, because the mean of its divisors is an integer number (34723506).

Almost surely, 2^115745015 is an apocalyptic number.

115745015 is a deficient number, since it is larger than the sum of its proper divisors (23149009).

115745015 is an equidigital number, since it uses as much as digits as its factorization.

115745015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23149008.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 115745015 is about 10758.4857205835. The cubic root of 115745015 is about 487.3422886730.

The spelling of 115745015 in words is "one hundred fifteen million, seven hundred forty-five thousand, fifteen".