45665602 has 4 divisors (see below), whose sum is σ = 68498406. Its totient is φ = 22832800.

The previous prime is 45665561. The next prime is 45665611. The reversal of 45665602 is 20656654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20656654 = 2 ⋅10328327.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 3272481 = 6511^2 + 1809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11416399 + ... + 11416402.

Almost surely, 2^45665602 is an apocalyptic number.

45665602 is a deficient number, since it is larger than the sum of its proper divisors (22832804).

45665602 is a wasteful number, since it uses less digits than its factorization.

45665602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22832803.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 45665602 is about 6757.6328695779. The cubic root of 45665602 is about 357.4344398664.

The spelling of 45665602 in words is "forty-five million, six hundred sixty-five thousand, six hundred two".