45507518 has 16 divisors (see below), whose sum is σ = 78141024. Its totient is φ = 19471200.

The previous prime is 45507493. The next prime is 45507523. The reversal of 45507518 is 81570554.

It is a Curzon number.

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, 7496 + ... + 12132.

It is an arithmetic number, because the mean of its divisors is an integer number (4883814).

Almost surely, 2^45507518 is an apocalyptic number.

45507518 is a deficient number, since it is larger than the sum of its proper divisors (32633506).

45507518 is a wasteful number, since it uses less digits than its factorization.

45507518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 45507518 is about 6745.9260298346. The cubic root of 45507518 is about 357.0215105766.

The spelling of 45507518 in words is "forty-five million, five hundred seven thousand, five hundred eighteen".