45255212 has 12 divisors (see below), whose sum is σ = 79319016. Its totient is φ = 22592640.

The previous prime is 45255211. The next prime is 45255227. The reversal of 45255212 is 21255254.

It is not an unprimeable number, because it can be changed into a prime (45255211) 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 3 ways as a sum of consecutive naturals, for example, 5714 + ... + 11097.

It is an arithmetic number, because the mean of its divisors is an integer number (6609918).

Almost surely, 2^45255212 is an apocalyptic number.

It is an amenable number.

45255212 is a deficient number, since it is larger than the sum of its proper divisors (34063804).

45255212 is a wasteful number, since it uses less digits than its factorization.

45255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17488 (or 17486 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 45255212 is about 6727.1994172910. The cubic root of 45255212 is about 356.3604794519.

The spelling of 45255212 in words is "forty-five million, two hundred fifty-five thousand, two hundred twelve".