45663212 has 12 divisors (see below), whose sum is σ = 91326480. Its totient is φ = 19569936.

The previous prime is 45663209. The next prime is 45663239. The reversal of 45663212 is 21236654.

45663212 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815387 + ... + 815442.

It is an arithmetic number, because the mean of its divisors is an integer number (7610540).

Almost surely, 2^45663212 is an apocalyptic number.

It is an amenable number.

45663212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45663212 is a wasteful number, since it uses less digits than its factorization.

45663212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630840 (or 1630838 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 45663212 is about 6757.4560301936. The cubic root of 45663212 is about 357.4282040771.

Adding to 45663212 its reverse (21236654), we get a palindrome (66899866).

The spelling of 45663212 in words is "forty-five million, six hundred sixty-three thousand, two hundred twelve".