45388216 has 32 divisors (see below), whose sum is σ = 88260480. Its totient is φ = 21859200.

The previous prime is 45388157. The next prime is 45388243. The reversal of 45388216 is 61288354.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98226 + ... + 98686.

It is an arithmetic number, because the mean of its divisors is an integer number (2758140).

Almost surely, 2^45388216 is an apocalyptic number.

It is an amenable number.

45388216 is a deficient number, since it is larger than the sum of its proper divisors (42872264).

45388216 is a wasteful number, since it uses less digits than its factorization.

45388216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 45388216 is about 6737.0777047619. The cubic root of 45388216 is about 356.7092496784.

The spelling of 45388216 in words is "forty-five million, three hundred eighty-eight thousand, two hundred sixteen".