45630454 has 4 divisors (see below), whose sum is σ = 68445684. Its totient is φ = 22815226.

The previous prime is 45630443. The next prime is 45630461. The reversal of 45630454 is 45403654.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×45630454² = 4164276664492232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11407612 + ... + 11407615.

It is an arithmetic number, because the mean of its divisors is an integer number (17111421).

Almost surely, 2^45630454 is an apocalyptic number.

45630454 is a deficient number, since it is larger than the sum of its proper divisors (22815230).

45630454 is a wasteful number, since it uses less digits than its factorization.

45630454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22815229.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 45630454 is about 6755.0317541815. The cubic root of 45630454 is about 357.3427126894.

The spelling of 45630454 in words is "forty-five million, six hundred thirty thousand, four hundred fifty-four".