45204424 has 8 divisors (see below), whose sum is σ = 84758310. Its totient is φ = 22602208.

The previous prime is 45204421. The next prime is 45204433. The reversal of 45204424 is 42440254.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 72900 = 6718^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45204421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825269 + ... + 2825284.

Almost surely, 2^45204424 is an apocalyptic number.

It is an amenable number.

45204424 is a deficient number, since it is larger than the sum of its proper divisors (39553886).

45204424 is a wasteful number, since it uses less digits than its factorization.

45204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650559 (or 5650555 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 45204424 is about 6723.4235326952. The cubic root of 45204424 is about 356.2271201475.

Adding to 45204424 its reverse (42440254), we get a palindrome (87644678).

The spelling of 45204424 in words is "forty-five million, two hundred four thousand, four hundred twenty-four".