45044212 has 48 divisors (see below), whose sum is σ = 88018560. Its totient is φ = 20072448.

The previous prime is 45044191. The next prime is 45044213. The reversal of 45044212 is 21244054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127428 + ... + 127780.

It is an arithmetic number, because the mean of its divisors is an integer number (1833720).

Almost surely, 2^45044212 is an apocalyptic number.

It is an amenable number.

45044212 is a deficient number, since it is larger than the sum of its proper divisors (42974348).

45044212 is a wasteful number, since it uses less digits than its factorization.

45044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 45044212 is about 6711.4984913952. The cubic root of 45044212 is about 355.8057792591.

Adding to 45044212 its reverse (21244054), we get a palindrome (66288266).

The spelling of 45044212 in words is "forty-five million, forty-four thousand, two hundred twelve".