45618312 has 16 divisors (see below), whose sum is σ = 114045840. Its totient is φ = 15206096.

The previous prime is 45618289. The next prime is 45618323. The reversal of 45618312 is 21381654.

It is a self number, because there is not a number n which added to its sum of digits gives 45618312.

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, 950358 + ... + 950405.

It is an arithmetic number, because the mean of its divisors is an integer number (7127865).

Almost surely, 2^45618312 is an apocalyptic number.

It is an amenable number.

45618312 is an abundant number, since it is smaller than the sum of its proper divisors (68427528).

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

45618312 is a wasteful number, since it uses less digits than its factorization.

45618312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900772 (or 1900768 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 45618312 is about 6754.1329569383. The cubic root of 45618312 is about 357.3110142677.

Adding to 45618312 its reverse (21381654), we get a palindrome (66999966).

The spelling of 45618312 in words is "forty-five million, six hundred eighteen thousand, three hundred twelve".