45385188 has 24 divisors (see below), whose sum is σ = 107392320. Its totient is φ = 14915040.

The previous prime is 45385181. The next prime is 45385201. The reversal of 45385188 is 88158354.

It is not an unprimeable number, because it can be changed into a prime (45385181) 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, 25783 + ... + 27486.

It is an arithmetic number, because the mean of its divisors is an integer number (4474680).

Almost surely, 2^45385188 is an apocalyptic number.

It is an amenable number.

45385188 is an abundant number, since it is smaller than the sum of its proper divisors (62007132).

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

45385188 is a wasteful number, since it uses less digits than its factorization.

45385188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53347 (or 53345 counting only the distinct ones).

The product of its digits is 153600, while the sum is 42.

The square root of 45385188 is about 6736.8529744978. The cubic root of 45385188 is about 356.7013170788.

The spelling of 45385188 in words is "forty-five million, three hundred eighty-five thousand, one hundred eighty-eight".