45122312 has 16 divisors (see below), whose sum is σ = 85125840. Its totient is φ = 22422096.

The previous prime is 45122299. The next prime is 45122327. The reversal of 45122312 is 21322154.

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, 15998 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (5320365).

Almost surely, 2^45122312 is an apocalyptic number.

It is an amenable number.

45122312 is a deficient number, since it is larger than the sum of its proper divisors (40003528).

45122312 is a wasteful number, since it uses less digits than its factorization.

45122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34772 (or 34768 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 45122312 is about 6717.3143442897. The cubic root of 45122312 is about 356.0112987198.

Adding to 45122312 its reverse (21322154), we get a palindrome (66444466).

The spelling of 45122312 in words is "forty-five million, one hundred twenty-two thousand, three hundred twelve".