1445005251044 has 12 divisors (see below), whose sum is σ = 2534292582444. Its totient is φ = 720921656064.

The previous prime is 1445005251037. The next prime is 1445005251071. The reversal of 1445005251044 is 4401525005441.

It can be written as a sum of positive squares in 2 ways, for example, as 893384136100 + 551621114944 = 945190^2 + 742712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1445005250995 and 1445005251013.

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, 395240309 + ... + 395243964.

It is an arithmetic number, because the mean of its divisors is an integer number (211191048537).

Almost surely, 2^{1445005251044} is an apocalyptic number.

It is an amenable number.

1445005251044 is a deficient number, since it is larger than the sum of its proper divisors (1089287331400).

1445005251044 is a wasteful number, since it uses less digits than its factorization.

1445005251044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790484734 (or 790484732 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 1445005251044 in words is "one trillion, four hundred forty-five billion, five million, two hundred fifty-one thousand, forty-four".