1445744288746 has 16 divisors (see below), whose sum is σ = 2173050815688. Its totient is φ = 721395404800.

The previous prime is 1445744288701. The next prime is 1445744288819. The reversal of 1445744288746 is 6478824475441.

It can be written as a sum of positive squares in 4 ways, for example, as 927293887521 + 518450401225 = 962961^2 + 720035^2 .

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, 1743786 + ... + 2435626.

Almost surely, 2^{1445744288746} is an apocalyptic number.

1445744288746 is a deficient number, since it is larger than the sum of its proper divisors (727306526942).

1445744288746 is a wasteful number, since it uses less digits than its factorization.

1445744288746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693977.

The product of its digits is 192675840, while the sum is 64.

The spelling of 1445744288746 in words is "one trillion, four hundred forty-five billion, seven hundred forty-four million, two hundred eighty-eight thousand, seven hundred forty-six".