115504245 has 64 divisors (see below), whose sum is σ = 214905600. Its totient is φ = 58786560.

The previous prime is 115504237. The next prime is 115504267. The reversal of 115504245 is 542405511.

115504245 is a `hidden beast` number, since 115 + 504 + 2 + 45 = 666.

It is not a de Polignac number, because 115504245 - 2³ = 115504237 is a prime.

It is a super-2 number, since 2×115504245² = 26682461226040050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 638055 + ... + 638235.

It is an arithmetic number, because the mean of its divisors is an integer number (3357900).

Almost surely, 2^115504245 is an apocalyptic number.

115504245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115504245 is a deficient number, since it is larger than the sum of its proper divisors (99401355).

115504245 is a wasteful number, since it uses less digits than its factorization.

115504245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 115504245 is about 10747.2901235614. The cubic root of 115504245 is about 487.0041348504.

Adding to 115504245 its reverse (542405511), we get a palindrome (657909756).

The spelling of 115504245 in words is "one hundred fifteen million, five hundred four thousand, two hundred forty-five".