144813744773 has 2 divisors, whose sum is σ = 144813744774. Its totient is φ = 144813744772.

The previous prime is 144813744739. The next prime is 144813744791. The reversal of 144813744773 is 377447318441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137564584609 + 7249160164 = 370897^2 + 85142^2 .

It is a cyclic number.

It is not a de Polignac number, because 144813744773 - 2⁶ = 144813744709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144813744073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72406872386 + 72406872387.

It is an arithmetic number, because the mean of its divisors is an integer number (72406872387).

Almost surely, 2^144813744773 is an apocalyptic number.

It is an amenable number.

144813744773 is a deficient number, since it is larger than the sum of its proper divisors (1).

144813744773 is an equidigital number, since it uses as much as digits as its factorization.

144813744773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6322176, while the sum is 53.

The spelling of 144813744773 in words is "one hundred forty-four billion, eight hundred thirteen million, seven hundred forty-four thousand, seven hundred seventy-three".