45522454 has 4 divisors (see below), whose sum is σ = 68283684. Its totient is φ = 22761226.

The previous prime is 45522427. The next prime is 45522487. The reversal of 45522454 is 45422554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45422554 = 2 ⋅22711277.

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, 11380612 + ... + 11380615.

It is an arithmetic number, because the mean of its divisors is an integer number (17070921).

Almost surely, 2^45522454 is an apocalyptic number.

45522454 is a deficient number, since it is larger than the sum of its proper divisors (22761230).

45522454 is a wasteful number, since it uses less digits than its factorization.

45522454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22761229.

The product of its digits is 32000, while the sum is 31.

The square root of 45522454 is about 6747.0329775391. The cubic root of 45522454 is about 357.0605655887.

The spelling of 45522454 in words is "forty-five million, five hundred twenty-two thousand, four hundred fifty-four".