45664212025 has 12 divisors (see below), whose sum is σ = 57143109100. Its totient is φ = 36196217280.

The previous prime is 45664211987. The next prime is 45664212031. The reversal of 45664212025 is 52021246654.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5621400576 + 40042811449 = 74976^2 + 200107^2 .

It is not a de Polignac number, because 45664212025 - 2⁷ = 45664211897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8376030 + ... + 8381479.

Almost surely, 2^45664212025 is an apocalyptic number.

It is an amenable number.

45664212025 is a deficient number, since it is larger than the sum of its proper divisors (11478897075).

45664212025 is a wasteful number, since it uses less digits than its factorization.

45664212025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16757628 (or 16757623 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 45664212025 its reverse (52021246654), we get a palindrome (97685458679).

The spelling of 45664212025 in words is "forty-five billion, six hundred sixty-four million, two hundred twelve thousand, twenty-five".