445543145252 has 12 divisors (see below), whose sum is σ = 783196920576. Its totient is φ = 221772596520.

The previous prime is 445543145249. The next prime is 445543145269. The reversal of 445543145252 is 252541345544.

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, 249743024 + ... + 249744807.

It is an arithmetic number, because the mean of its divisors is an integer number (65266410048).

Almost surely, 2^445543145252 is an apocalyptic number.

It is an amenable number.

445543145252 is a deficient number, since it is larger than the sum of its proper divisors (337653775324).

445543145252 is a wasteful number, since it uses less digits than its factorization.

445543145252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499488058 (or 499488056 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 44.

The spelling of 445543145252 in words is "four hundred forty-five billion, five hundred forty-three million, one hundred forty-five thousand, two hundred fifty-two".