144676332557 has 2 divisors, whose sum is σ = 144676332558. Its totient is φ = 144676332556.

The previous prime is 144676332503. The next prime is 144676332617. The reversal of 144676332557 is 755233676441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143939807236 + 736525321 = 379394^2 + 27139^2 .

It is an emirp because it is prime and its reverse (755233676441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144676332557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144676332499 and 144676332508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144676331557) 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, 72338166278 + 72338166279.

It is an arithmetic number, because the mean of its divisors is an integer number (72338166279).

Almost surely, 2^144676332557 is an apocalyptic number.

It is an amenable number.

144676332557 is a deficient number, since it is larger than the sum of its proper divisors (1).

144676332557 is an equidigital number, since it uses as much as digits as its factorization.

144676332557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 53.

The spelling of 144676332557 in words is "one hundred forty-four billion, six hundred seventy-six million, three hundred thirty-two thousand, five hundred fifty-seven".