45570220 has 24 divisors (see below), whose sum is σ = 95860800. Its totient is φ = 18196992.

The previous prime is 45570209. The next prime is 45570221. The reversal of 45570220 is 2207554.

It is not an unprimeable number, because it can be changed into a prime (45570221) 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, 12796 + ... + 15964.

It is an arithmetic number, because the mean of its divisors is an integer number (3994200).

Almost surely, 2^45570220 is an apocalyptic number.

It is an amenable number.

45570220 is an abundant number, since it is smaller than the sum of its proper divisors (50290580).

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

45570220 is a wasteful number, since it uses less digits than its factorization.

45570220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 45570220 is about 6750.5718276306. The cubic root of 45570220 is about 357.1854079588.

Adding to 45570220 its reverse (2207554), we get a palindrome (47777774).

The spelling of 45570220 in words is "forty-five million, five hundred seventy thousand, two hundred twenty".