45221375 has 16 divisors (see below), whose sum is σ = 56971200. Its totient is φ = 35834400.

The previous prime is 45221347. The next prime is 45221389. The reversal of 45221375 is 57312254.

It is a happy number.

It is not a de Polignac number, because 45221375 - 2¹² = 45217279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11966 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (3560700).

Almost surely, 2^45221375 is an apocalyptic number.

45221375 is a deficient number, since it is larger than the sum of its proper divisors (11749825).

45221375 is a wasteful number, since it uses less digits than its factorization.

45221375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443 (or 3433 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 45221375 is about 6724.6840074460. The cubic root of 45221375 is about 356.2716412420.

The spelling of 45221375 in words is "forty-five million, two hundred twenty-one thousand, three hundred seventy-five".