1445052272 has 10 divisors (see below), whose sum is σ = 2799788808. Its totient is φ = 722526128.

The previous prime is 1445052251. The next prime is 1445052289. The reversal of 1445052272 is 2722505441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45157868 + ... + 45157899.

Almost surely, 2^1445052272 is an apocalyptic number.

It is an amenable number.

1445052272 is a deficient number, since it is larger than the sum of its proper divisors (1354736536).

1445052272 is an equidigital number, since it uses as much as digits as its factorization.

1445052272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90315775 (or 90315769 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1445052272 is about 38013.8431627217. The cubic root of 1445052272 is about 1130.5623514688.

The spelling of 1445052272 in words is "one billion, four hundred forty-five million, fifty-two thousand, two hundred seventy-two".