45078312 has 16 divisors (see below), whose sum is σ = 112695840. Its totient is φ = 15026096.

The previous prime is 45078307. The next prime is 45078323. The reversal of 45078312 is 21387054.

It is a self number, because there is not a number n which added to its sum of digits gives 45078312.

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, 939108 + ... + 939155.

It is an arithmetic number, because the mean of its divisors is an integer number (7043490).

Almost surely, 2^45078312 is an apocalyptic number.

It is an amenable number.

45078312 is an abundant number, since it is smaller than the sum of its proper divisors (67617528).

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

45078312 is a wasteful number, since it uses less digits than its factorization.

45078312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878272 (or 1878268 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45078312 is about 6714.0384270571. The cubic root of 45078312 is about 355.8955423025.

The spelling of 45078312 in words is "forty-five million, seventy-eight thousand, three hundred twelve".