45645605 has 16 divisors (see below), whose sum is σ = 56536704. Its totient is φ = 35352000.

The previous prime is 45645599. The next prime is 45645631. The reversal of 45645605 is 50654654.

It is not a de Polignac number, because 45645605 - 2¹² = 45641509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45944 + ... + 46926.

It is an arithmetic number, because the mean of its divisors is an integer number (3533544).

Almost surely, 2^45645605 is an apocalyptic number.

It is an amenable number.

45645605 is a deficient number, since it is larger than the sum of its proper divisors (10891099).

45645605 is a wasteful number, since it uses less digits than its factorization.

45645605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 45645605 is about 6756.1531214146. The cubic root of 45645605 is about 357.3822586494.

The spelling of 45645605 in words is "forty-five million, six hundred forty-five thousand, six hundred five".