45043212 has 24 divisors (see below), whose sum is σ = 105212016. Its totient is φ = 14998528.

The previous prime is 45043189. The next prime is 45043213. The reversal of 45043212 is 21234054.

45043212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45043213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17428 + ... + 19844.

It is an arithmetic number, because the mean of its divisors is an integer number (4383834).

Almost surely, 2^45043212 is an apocalyptic number.

It is an amenable number.

45043212 is an abundant number, since it is smaller than the sum of its proper divisors (60168804).

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

45043212 is a wasteful number, since it uses less digits than its factorization.

45043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45043212 is about 6711.4239919707. The cubic root of 45043212 is about 355.8031462282.

Adding to 45043212 its reverse (21234054), we get a palindrome (66277266).

The spelling of 45043212 in words is "forty-five million, forty-three thousand, two hundred twelve".