45921575 has 36 divisors (see below), whose sum is σ = 69761160. Its totient is φ = 29816640.

The previous prime is 45921563. The next prime is 45921581. The reversal of 45921575 is 57512954.

It is a happy number.

It is not a de Polignac number, because 45921575 - 2⁴ = 45921559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22289 + ... + 24261.

It is an arithmetic number, because the mean of its divisors is an integer number (1937810).

Almost surely, 2^45921575 is an apocalyptic number.

45921575 is a deficient number, since it is larger than the sum of its proper divisors (23839585).

45921575 is a wasteful number, since it uses less digits than its factorization.

45921575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2004 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 45921575 is about 6776.5459490805. The cubic root of 45921575 is about 358.1010477012.

The spelling of 45921575 in words is "forty-five million, nine hundred twenty-one thousand, five hundred seventy-five".