45330220 has 24 divisors (see below), whose sum is σ = 102516624. Its totient is φ = 16737216.

The previous prime is 45330209. The next prime is 45330223. The reversal of 45330220 is 2203354.

It is not an unprimeable number, because it can be changed into a prime (45330223) 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, 86914 + ... + 87433.

It is an arithmetic number, because the mean of its divisors is an integer number (4271526).

Almost surely, 2^45330220 is an apocalyptic number.

It is an amenable number.

45330220 is an abundant number, since it is smaller than the sum of its proper divisors (57186404).

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

45330220 is a wasteful number, since it uses less digits than its factorization.

45330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174369 (or 174367 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 45330220 is about 6732.7720888205. The cubic root of 45330220 is about 356.5572533443.

Adding to 45330220 its reverse (2203354), we get a palindrome (47533574).

The spelling of 45330220 in words is "forty-five million, three hundred thirty thousand, two hundred twenty".