45113212 has 48 divisors (see below), whose sum is σ = 87716160. Its totient is φ = 20224512.

The previous prime is 45113207. The next prime is 45113219. The reversal of 45113212 is 21231154.

It is a self number, because there is not a number n which added to its sum of digits gives 45113212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45113219) 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, 98488 + ... + 98944.

It is an arithmetic number, because the mean of its divisors is an integer number (1827420).

Almost surely, 2^45113212 is an apocalyptic number.

It is an amenable number.

45113212 is a deficient number, since it is larger than the sum of its proper divisors (42602948).

45113212 is a wasteful number, since it uses less digits than its factorization.

45113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 548 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 45113212 is about 6716.6369560964. The cubic root of 45113212 is about 355.9873643624.

Adding to 45113212 its reverse (21231154), we get a palindrome (66344366).

The spelling of 45113212 in words is "forty-five million, one hundred thirteen thousand, two hundred twelve".