1445662386443 has 8 divisors (see below), whose sum is σ = 1578769374000. Its totient is φ = 1312835921280.

The previous prime is 1445662386431. The next prime is 1445662386481. The reversal of 1445662386443 is 3446832665441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445662386443 - 2²⁰ = 1445661337867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445662386043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70119818 + ... + 70140431.

It is an arithmetic number, because the mean of its divisors is an integer number (197346171750).

Almost surely, 2^{1445662386443} is an apocalyptic number.

1445662386443 is a deficient number, since it is larger than the sum of its proper divisors (133106987557).

1445662386443 is a wasteful number, since it uses less digits than its factorization.

1445662386443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140261197.

The product of its digits is 39813120, while the sum is 56.

The spelling of 1445662386443 in words is "one trillion, four hundred forty-five billion, six hundred sixty-two million, three hundred eighty-six thousand, four hundred forty-three".