45645208 has 32 divisors (see below), whose sum is σ = 98300160. Its totient is φ = 19464480.

The previous prime is 45645191. The next prime is 45645209. The reversal of 45645208 is 80254654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645209) 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, 9885 + ... + 13747.

It is an arithmetic number, because the mean of its divisors is an integer number (3071880).

Almost surely, 2^45645208 is an apocalyptic number.

It is an amenable number.

45645208 is an abundant number, since it is smaller than the sum of its proper divisors (52654952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45645208 is a wasteful number, since it uses less digits than its factorization.

45645208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 45645208 is about 6756.1237407259. The cubic root of 45645208 is about 357.3812225426.

The spelling of 45645208 in words is "forty-five million, six hundred forty-five thousand, two hundred eight".