115502545 has 8 divisors (see below), whose sum is σ = 139486824. Its totient is φ = 91812864.

The previous prime is 115502533. The next prime is 115502557. The reversal of 115502545 is 545205511.

It is an interprime number because it is at equal distance from previous prime (115502533) and next prime (115502557).

It can be written as a sum of positive squares in 4 ways, for example, as 9247681 + 106254864 = 3041^2 + 10308^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 115502545 - 2⁷ = 115502417 is a prime.

It is a Duffinian 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, 72784 + ... + 74353.

It is an arithmetic number, because the mean of its divisors is an integer number (17435853).

Almost surely, 2^115502545 is an apocalyptic number.

It is an amenable number.

115502545 is a deficient number, since it is larger than the sum of its proper divisors (23984279).

115502545 is a wasteful number, since it uses less digits than its factorization.

115502545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147299.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 115502545 is about 10747.2110335659. The cubic root of 115502545 is about 487.0017455844.

The spelling of 115502545 in words is "one hundred fifteen million, five hundred two thousand, five hundred forty-five".