1445266650443 has 24 divisors (see below), whose sum is σ = 1874107468800. Its totient is φ = 1089853340400.

The previous prime is 1445266650431. The next prime is 1445266650461. The reversal of 1445266650443 is 3440566625441.

It is a happy number.

It is not a de Polignac number, because 1445266650443 - 2⁶ = 1445266650379 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1445266650391 and 1445266650400.

It is not an unprimeable number, because it can be changed into a prime (1445266650403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27495293 + ... + 27547806.

It is an arithmetic number, because the mean of its divisors is an integer number (78087811200).

Almost surely, 2^{1445266650443} is an apocalyptic number.

1445266650443 is a deficient number, since it is larger than the sum of its proper divisors (428840818357).

1445266650443 is a wasteful number, since it uses less digits than its factorization.

1445266650443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55043159 (or 55043148 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 1445266650443 in words is "one trillion, four hundred forty-five billion, two hundred sixty-six million, six hundred fifty thousand, four hundred forty-three".