45645500 has 24 divisors (see below), whose sum is σ = 99690864. Its totient is φ = 18258000.

The previous prime is 45645499. The next prime is 45645503. The reversal of 45645500 is 554654.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645503) 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, 45146 + ... + 46145.

It is an arithmetic number, because the mean of its divisors is an integer number (4153786).

Almost surely, 2^45645500 is an apocalyptic number.

It is an amenable number.

45645500 is an abundant number, since it is smaller than the sum of its proper divisors (54045364).

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

45645500 is a wasteful number, since it uses less digits than its factorization.

45645500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91310 (or 91298 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 45645500 is about 6756.1453507159. The cubic root of 45645500 is about 357.3819846167.

The spelling of 45645500 in words is "forty-five million, six hundred forty-five thousand, five hundred".