45125115 has 32 divisors (see below), whose sum is σ = 83690496. Its totient is φ = 20334720.

The previous prime is 45125111. The next prime is 45125117. The reversal of 45125115 is 51152154.

It is not a de Polignac number, because 45125115 - 2² = 45125111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45125111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4429 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (2615328).

Almost surely, 2^45125115 is an apocalyptic number.

45125115 is a deficient number, since it is larger than the sum of its proper divisors (38565381).

45125115 is a wasteful number, since it uses less digits than its factorization.

45125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139.

The product of its digits is 1000, while the sum is 24.

The square root of 45125115 is about 6717.5229809804. The cubic root of 45125115 is about 356.0186703797.

Adding to 45125115 its reverse (51152154), we get a palindrome (96277269).

The spelling of 45125115 in words is "forty-five million, one hundred twenty-five thousand, one hundred fifteen".