445251554452 has 12 divisors (see below), whose sum is σ = 800249415700. Its totient is φ = 216608864256.

The previous prime is 445251554443. The next prime is 445251554507. The reversal of 445251554452 is 254455152544.

It can be written as a sum of positive squares in 2 ways, for example, as 399542824836 + 45708729616 = 632094^2 + 213796^2 .

It is a congruent number.

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, 1504228077 + ... + 1504228372.

Almost surely, 2^445251554452 is an apocalyptic number.

It is an amenable number.

445251554452 is a deficient number, since it is larger than the sum of its proper divisors (354997861248).

445251554452 is a wasteful number, since it uses less digits than its factorization.

445251554452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008456490 (or 3008456488 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 46.

The spelling of 445251554452 in words is "four hundred forty-five billion, two hundred fifty-one million, five hundred fifty-four thousand, four hundred fifty-two".