45745212 has 24 divisors (see below), whose sum is σ = 110182912. Its totient is φ = 14756400.

The previous prime is 45745207. The next prime is 45745213. The reversal of 45745212 is 21254754.

It is a self number, because there is not a number n which added to its sum of digits gives 45745212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45745213) 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, 61114 + ... + 61857.

Almost surely, 2^45745212 is an apocalyptic number.

It is an amenable number.

45745212 is an abundant number, since it is smaller than the sum of its proper divisors (64437700).

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

45745212 is a wasteful number, since it uses less digits than its factorization.

45745212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123009 (or 123007 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 45745212 is about 6763.5206808289. The cubic root of 45745212 is about 357.6420274514.

Adding to 45745212 its reverse (21254754), we get a palindrome (66999966).

The spelling of 45745212 in words is "forty-five million, seven hundred forty-five thousand, two hundred twelve".