45012897 has 6 divisors (see below), whose sum is σ = 65018642. Its totient is φ = 30008592.

The previous prime is 45012893. The next prime is 45012941. The reversal of 45012897 is 79821054.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 19368801 = 5064^2 + 4401^2 .

It is not a de Polignac number, because 45012897 - 2² = 45012893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45012893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500708 + ... + 2500725.

Almost surely, 2^45012897 is an apocalyptic number.

It is an amenable number.

45012897 is a deficient number, since it is larger than the sum of its proper divisors (20005745).

45012897 is a wasteful number, since it uses less digits than its factorization.

45012897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001439 (or 5001436 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45012897 is about 6709.1651492566. The cubic root of 45012897 is about 355.7233073907.

The spelling of 45012897 in words is "forty-five million, twelve thousand, eight hundred ninety-seven".