1445355312244 has 24 divisors (see below), whose sum is σ = 2579267341728. Its totient is φ = 708444765600.

The previous prime is 1445355312239. The next prime is 1445355312319. The reversal of 1445355312244 is 4422135535441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445355312244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620182 + ... + 3123469.

It is an arithmetic number, because the mean of its divisors is an integer number (107469472572).

Almost surely, 2^{1445355312244} is an apocalyptic number.

It is an amenable number.

1445355312244 is a deficient number, since it is larger than the sum of its proper divisors (1133912029484).

1445355312244 is a wasteful number, since it uses less digits than its factorization.

1445355312244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744895 (or 5744893 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The spelling of 1445355312244 in words is "one trillion, four hundred forty-five billion, three hundred fifty-five million, three hundred twelve thousand, two hundred forty-four".