115558045 has 8 divisors (see below), whose sum is σ = 140228280. Its totient is φ = 91407360.

The previous prime is 115557991. The next prime is 115558063. The reversal of 115558045 is 540855511.

It can be written as a sum of positive squares in 4 ways, for example, as 3261636 + 112296409 = 1806^2 + 10597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115558045 - 2⁷ = 115557917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115558045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129396 + ... + 130285.

It is an arithmetic number, because the mean of its divisors is an integer number (17528535).

Almost surely, 2^115558045 is an apocalyptic number.

It is an amenable number.

115558045 is a deficient number, since it is larger than the sum of its proper divisors (24670235).

115558045 is an equidigital number, since it uses as much as digits as its factorization.

115558045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259775.

The product of its (nonzero) digits is 20000, while the sum is 34.

The square root of 115558045 is about 10749.7927887006. The cubic root of 115558045 is about 487.0797359839.

It can be divided in two parts, 1155580 and 45, that added together give a square (1155625 = 1075²).

The spelling of 115558045 in words is "one hundred fifteen million, five hundred fifty-eight thousand, forty-five".