45644548 has 6 divisors (see below), whose sum is σ = 79877966. Its totient is φ = 22822272.

The previous prime is 45644539. The next prime is 45644563. The reversal of 45644548 is 84544654.

It can be written as a sum of positive squares in only one way, i.e., 34833604 + 10810944 = 5902^2 + 3288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45644548.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705565 + ... + 5705572.

Almost surely, 2^45644548 is an apocalyptic number.

It is an amenable number.

45644548 is a deficient number, since it is larger than the sum of its proper divisors (34233418).

45644548 is a wasteful number, since it uses less digits than its factorization.

45644548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411141 (or 11411139 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The square root of 45644548 is about 6756.0748959733. The cubic root of 45644548 is about 357.3795000343.

The spelling of 45644548 in words is "forty-five million, six hundred forty-four thousand, five hundred forty-eight".