45405188 has 6 divisors (see below), whose sum is σ = 79459086. Its totient is φ = 22702592.

The previous prime is 45405187. The next prime is 45405203. The reversal of 45405188 is 88150454.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 5234944 = 6338^2 + 2288^2 .

It is not an unprimeable number, because it can be changed into a prime (45405187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675645 + ... + 5675652.

It is an arithmetic number, because the mean of its divisors is an integer number (13243181).

Almost surely, 2^45405188 is an apocalyptic number.

It is an amenable number.

45405188 is a deficient number, since it is larger than the sum of its proper divisors (34053898).

45405188 is a wasteful number, since it uses less digits than its factorization.

45405188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351301 (or 11351299 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 45405188 is about 6738.3371836084. The cubic root of 45405188 is about 356.7537055268.

The spelling of 45405188 in words is "forty-five million, four hundred five thousand, one hundred eighty-eight".