144431134417 has 2 divisors, whose sum is σ = 144431134418. Its totient is φ = 144431134416.

The previous prime is 144431134339. The next prime is 144431134447. The reversal of 144431134417 is 714431134441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109629858816 + 34801275601 = 331104^2 + 186551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144431134417 is a prime.

It is not a weakly prime, because it can be changed into another prime (144431134447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72215567208 + 72215567209.

It is an arithmetic number, because the mean of its divisors is an integer number (72215567209).

Almost surely, 2^144431134417 is an apocalyptic number.

It is an amenable number.

144431134417 is a deficient number, since it is larger than the sum of its proper divisors (1).

144431134417 is an equidigital number, since it uses as much as digits as its factorization.

144431134417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

Adding to 144431134417 its reverse (714431134441), we get a palindrome (858862268858).

The spelling of 144431134417 in words is "one hundred forty-four billion, four hundred thirty-one million, one hundred thirty-four thousand, four hundred seventeen".