144247664833 has 2 divisors, whose sum is σ = 144247664834. Its totient is φ = 144247664832.

The previous prime is 144247664779. The next prime is 144247664843. The reversal of 144247664833 is 338466742441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125366981184 + 18880683649 = 354072^2 + 137407^2 .

It is a cyclic number.

It is not a de Polignac number, because 144247664833 - 2⁹ = 144247664321 is a prime.

It is not a weakly prime, because it can be changed into another prime (144247664843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72123832416 + 72123832417.

It is an arithmetic number, because the mean of its divisors is an integer number (72123832417).

Almost surely, 2^144247664833 is an apocalyptic number.

It is an amenable number.

144247664833 is a deficient number, since it is larger than the sum of its proper divisors (1).

144247664833 is an equidigital number, since it uses as much as digits as its factorization.

144247664833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 52.

The spelling of 144247664833 in words is "one hundred forty-four billion, two hundred forty-seven million, six hundred sixty-four thousand, eight hundred thirty-three".