45572232 has 32 divisors (see below), whose sum is σ = 117607680. Its totient is φ = 14700480.

The previous prime is 45572231. The next prime is 45572243. The reversal of 45572232 is 23227554.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45572232.

It is not an unprimeable number, because it can be changed into a prime (45572231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29883 + ... + 31370.

It is an arithmetic number, because the mean of its divisors is an integer number (3675240).

Almost surely, 2^45572232 is an apocalyptic number.

It is an amenable number.

45572232 is an abundant number, since it is smaller than the sum of its proper divisors (72035448).

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

45572232 is a wasteful number, since it uses less digits than its factorization.

45572232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61293 (or 61289 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 45572232 is about 6750.7208503981. The cubic root of 45572232 is about 357.1906646554.

Adding to 45572232 its reverse (23227554), we get a palindrome (68799786).

The spelling of 45572232 in words is "forty-five million, five hundred seventy-two thousand, two hundred thirty-two".