45150212 has 12 divisors (see below), whose sum is σ = 81148620. Its totient is φ = 21964896.

The previous prime is 45150211. The next prime is 45150239. The reversal of 45150212 is 21205154.

It can be written as a sum of positive squares in 2 ways, for example, as 38514436 + 6635776 = 6206^2 + 2576^2 .

It is not an unprimeable number, because it can be changed into a prime (45150211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152387 + ... + 152682.

It is an arithmetic number, because the mean of its divisors is an integer number (6762385).

Almost surely, 2^45150212 is an apocalyptic number.

It is an amenable number.

45150212 is a deficient number, since it is larger than the sum of its proper divisors (35998408).

45150212 is a wasteful number, since it uses less digits than its factorization.

45150212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305110 (or 305108 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45150212 is about 6719.3907461912. The cubic root of 45150212 is about 356.0846598302.

Adding to 45150212 its reverse (21205154), we get a palindrome (66355366).

The spelling of 45150212 in words is "forty-five million, one hundred fifty thousand, two hundred twelve".