1445744285872 has 10 divisors (see below), whose sum is σ = 2801129553908. Its totient is φ = 722872142928.

The previous prime is 1445744285803. The next prime is 1445744285911. The reversal of 1445744285872 is 2785824475441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445744285872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45179508918 + ... + 45179508949.

Almost surely, 2^{1445744285872} is an apocalyptic number.

It is an amenable number.

1445744285872 is a deficient number, since it is larger than the sum of its proper divisors (1355385268036).

1445744285872 is an equidigital number, since it uses as much as digits as its factorization.

1445744285872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90359017875 (or 90359017869 counting only the distinct ones).

The product of its digits is 80281600, while the sum is 61.

The spelling of 1445744285872 in words is "one trillion, four hundred forty-five billion, seven hundred forty-four million, two hundred eighty-five thousand, eight hundred seventy-two".