45415212 has 24 divisors (see below), whose sum is σ = 106246896. Its totient is φ = 15098688.

The previous prime is 45415163. The next prime is 45415259. The reversal of 45415212 is 21251454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (4426954).

Almost surely, 2^45415212 is an apocalyptic number.

It is an amenable number.

45415212 is an abundant number, since it is smaller than the sum of its proper divisors (60831684).

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

45415212 is a wasteful number, since it uses less digits than its factorization.

45415212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937 (or 9935 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 45415212 is about 6739.0809462419. The cubic root of 45415212 is about 356.7799568296.

Adding to 45415212 its reverse (21251454), we get a palindrome (66666666).

The spelling of 45415212 in words is "forty-five million, four hundred fifteen thousand, two hundred twelve".