45645316 has 12 divisors (see below), whose sum is σ = 80021788. Its totient is φ = 22781952.

The previous prime is 45645311. The next prime is 45645329. The reversal of 45645316 is 61354654.

It can be written as a sum of positive squares in 2 ways, for example, as 36966400 + 8678916 = 6080^2 + 2946^2 .

It is not an unprimeable number, because it can be changed into a prime (45645311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7581 + ... + 12196.

Almost surely, 2^45645316 is an apocalyptic number.

It is an amenable number.

45645316 is a deficient number, since it is larger than the sum of its proper divisors (34376472).

45645316 is a wasteful number, since it uses less digits than its factorization.

45645316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20358 (or 20356 counting only the distinct ones).

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

The square root of 45645316 is about 6756.1317334700. The cubic root of 45645316 is about 357.3815044060.

The spelling of 45645316 in words is "forty-five million, six hundred forty-five thousand, three hundred sixteen".