45618815 has 12 divisors (see below), whose sum is σ = 60172392. Its totient is φ = 33176880.

The previous prime is 45618799. The next prime is 45618823. The reversal of 45618815 is 51881654.

It is not a de Polignac number, because 45618815 - 2⁴ = 45618799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37097 + ... + 38306.

It is an arithmetic number, because the mean of its divisors is an integer number (5014366).

Almost surely, 2^45618815 is an apocalyptic number.

45618815 is a deficient number, since it is larger than the sum of its proper divisors (14553577).

45618815 is a wasteful number, since it uses less digits than its factorization.

45618815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75430 (or 75419 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 45618815 is about 6754.1701932954. The cubic root of 45618815 is about 357.3123275326.

The spelling of 45618815 in words is "forty-five million, six hundred eighteen thousand, eight hundred fifteen".