45207812 has 12 divisors (see below), whose sum is σ = 85199436. Its totient is φ = 20865120.

The previous prime is 45207803. The next prime is 45207847. The reversal of 45207812 is 21870254.

It can be written as a sum of positive squares in 2 ways, for example, as 4426816 + 40780996 = 2104^2 + 6386^2 .

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, 434639 + ... + 434742.

It is an arithmetic number, because the mean of its divisors is an integer number (7099953).

Almost surely, 2^45207812 is an apocalyptic number.

It is an amenable number.

45207812 is a deficient number, since it is larger than the sum of its proper divisors (39991624).

45207812 is a wasteful number, since it uses less digits than its factorization.

45207812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869398 (or 869396 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 45207812 is about 6723.6754829483. The cubic root of 45207812 is about 356.2360194780.

The spelling of 45207812 in words is "forty-five million, two hundred seven thousand, eight hundred twelve".