45870388 has 12 divisors (see below), whose sum is σ = 80587332. Its totient is φ = 22845440.

The previous prime is 45870371. The next prime is 45870397. The reversal of 45870388 is 88307854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45319824 + 550564 = 6732^2 + 742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21283 + ... + 23338.

It is an arithmetic number, because the mean of its divisors is an integer number (6715611).

Almost surely, 2^45870388 is an apocalyptic number.

It is an amenable number.

45870388 is a deficient number, since it is larger than the sum of its proper divisors (34716944).

45870388 is a wasteful number, since it uses less digits than its factorization.

45870388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44882 (or 44880 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 45870388 is about 6772.7681194619. The cubic root of 45870388 is about 357.9679444473.

The spelling of 45870388 in words is "forty-five million, eight hundred seventy thousand, three hundred eighty-eight".