45055212 has 24 divisors (see below), whose sum is σ = 108754800. Its totient is φ = 14500416.

The previous prime is 45055211. The next prime is 45055217. The reversal of 45055212 is 21255054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45055211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64387 + ... + 65082.

It is an arithmetic number, because the mean of its divisors is an integer number (4531450).

Almost surely, 2^45055212 is an apocalyptic number.

It is an amenable number.

45055212 is an abundant number, since it is smaller than the sum of its proper divisors (63699588).

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

45055212 is a wasteful number, since it uses less digits than its factorization.

45055212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129505 (or 129503 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45055212 is about 6712.3179304917. The cubic root of 45055212 is about 355.8347400279.

The spelling of 45055212 in words is "forty-five million, fifty-five thousand, two hundred twelve".