1445663466223 has 2 divisors, whose sum is σ = 1445663466224. Its totient is φ = 1445663466222.

The previous prime is 1445663466217. The next prime is 1445663466229. The reversal of 1445663466223 is 3226643665441.

It is a balanced prime because it is at equal distance from previous prime (1445663466217) and next prime (1445663466229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445663466223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445663466229) by changing a digit.

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 as a sum of consecutive naturals, namely, 722831733111 + 722831733112.

It is an arithmetic number, because the mean of its divisors is an integer number (722831733112).

Almost surely, 2^{1445663466223} is an apocalyptic number.

1445663466223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445663466223 is an equidigital number, since it uses as much as digits as its factorization.

1445663466223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 52.

The spelling of 1445663466223 in words is "one trillion, four hundred forty-five billion, six hundred sixty-three million, four hundred sixty-six thousand, two hundred twenty-three".