45645716 has 24 divisors (see below), whose sum is σ = 82545120. Its totient is φ = 22069152.

The previous prime is 45645713. The next prime is 45645727. The reversal of 45645716 is 61754654.

It is a self number, because there is not a number n which added to its sum of digits gives 45645716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25631 + ... + 27353.

It is an arithmetic number, because the mean of its divisors is an integer number (3439380).

Almost surely, 2^45645716 is an apocalyptic number.

It is an amenable number.

45645716 is a deficient number, since it is larger than the sum of its proper divisors (36899404).

45645716 is a wasteful number, since it uses less digits than its factorization.

45645716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1941 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 45645716 is about 6756.1613361435. The cubic root of 45645716 is about 357.3825483407.

The spelling of 45645716 in words is "forty-five million, six hundred forty-five thousand, seven hundred sixteen".