45521375 has 8 divisors (see below), whose sum is σ = 56810832. Its totient is φ = 36417000.

The previous prime is 45521369. The next prime is 45521389. The reversal of 45521375 is 57312554.

It is a de Polignac number, because none of the positive numbers 2^k-45521375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181961 + ... + 182210.

It is an arithmetic number, because the mean of its divisors is an integer number (7101354).

Almost surely, 2^45521375 is an apocalyptic number.

45521375 is a deficient number, since it is larger than the sum of its proper divisors (11289457).

45521375 is an equidigital number, since it uses as much as digits as its factorization.

45521375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364186 (or 364176 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 45521375 is about 6746.9530159917. The cubic root of 45521375 is about 357.0577444799.

The spelling of 45521375 in words is "forty-five million, five hundred twenty-one thousand, three hundred seventy-five".