45150220 has 12 divisors (see below), whose sum is σ = 94815504. Its totient is φ = 18060080.

The previous prime is 45150211. The next prime is 45150239. The reversal of 45150220 is 2205154.

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, 1128736 + ... + 1128775.

It is an arithmetic number, because the mean of its divisors is an integer number (7901292).

Almost surely, 2^45150220 is an apocalyptic number.

It is an amenable number.

45150220 is an abundant number, since it is smaller than the sum of its proper divisors (49665284).

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

45150220 is a wasteful number, since it uses less digits than its factorization.

45150220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257520 (or 2257518 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 45150220 is about 6719.3913414832. The cubic root of 45150220 is about 356.0846808613.

Adding to 45150220 its reverse (2205154), we get a palindrome (47355374).

The spelling of 45150220 in words is "forty-five million, one hundred fifty thousand, two hundred twenty".