144320312444137 has 2 divisors, whose sum is σ = 144320312444138. Its totient is φ = 144320312444136.

The previous prime is 144320312444123. The next prime is 144320312444197. The reversal of 144320312444137 is 731444213023441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124383408758361 + 19936903685776 = 11152731^2 + 4465076^2 .

It is a cyclic number.

It is not a de Polignac number, because 144320312444137 - 2¹⁵ = 144320312411369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144320312444093 and 144320312444102.

It is not a weakly prime, because it can be changed into another prime (144320312444197) 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, 72160156222068 + 72160156222069.

It is an arithmetic number, because the mean of its divisors is an integer number (72160156222069).

Almost surely, 2^{144320312444137} is an apocalyptic number.

It is an amenable number.

144320312444137 is a deficient number, since it is larger than the sum of its proper divisors (1).

144320312444137 is an equidigital number, since it uses as much as digits as its factorization.

144320312444137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 43.

Adding to 144320312444137 its reverse (731444213023441), we get a palindrome (875764525467578).

The spelling of 144320312444137 in words is "one hundred forty-four trillion, three hundred twenty billion, three hundred twelve million, four hundred forty-four thousand, one hundred thirty-seven".