45652220 has 24 divisors (see below), whose sum is σ = 96374544. Its totient is φ = 18164736.

The previous prime is 45652213. The next prime is 45652237. The reversal of 45652220 is 2225654.

It is a self number, because there is not a number n which added to its sum of digits gives 45652220.

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, 2054 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (4015606).

Almost surely, 2^45652220 is an apocalyptic number.

It is an amenable number.

45652220 is an abundant number, since it is smaller than the sum of its proper divisors (50722324).

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

45652220 is a wasteful number, since it uses less digits than its factorization.

45652220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029 (or 12027 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45652220 is about 6756.6426574150. The cubic root of 45652220 is about 357.3995218627.

Adding to 45652220 its reverse (2225654), we get a palindrome (47877874).

The spelling of 45652220 in words is "forty-five million, six hundred fifty-two thousand, two hundred twenty".