45657490 has 8 divisors (see below), whose sum is σ = 82183500. Its totient is φ = 18262992.

The previous prime is 45657487. The next prime is 45657511. The reversal of 45657490 is 9475654.

45657490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45657049 + 441 = 6757^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282865 + ... + 2282884.

Almost surely, 2^45657490 is an apocalyptic number.

45657490 is a deficient number, since it is larger than the sum of its proper divisors (36526010).

45657490 is a wasteful number, since it uses less digits than its factorization.

45657490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565756.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 45657490 is about 6757.0326327464. The cubic root of 45657490 is about 357.4132738264.

The spelling of 45657490 in words is "forty-five million, six hundred fifty-seven thousand, four hundred ninety".