144311224232257 has 2 divisors, whose sum is σ = 144311224232258. Its totient is φ = 144311224232256.

The previous prime is 144311224232243. The next prime is 144311224232327. The reversal of 144311224232257 is 752232422113441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95702217128001 + 48609007104256 = 9782751^2 + 6972016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144311224232257 is a prime.

It is not a weakly prime, because it can be changed into another prime (144311224212257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72155612116128 + 72155612116129.

It is an arithmetic number, because the mean of its divisors is an integer number (72155612116129).

Almost surely, 2^{144311224232257} is an apocalyptic number.

It is an amenable number.

144311224232257 is a deficient number, since it is larger than the sum of its proper divisors (1).

144311224232257 is an equidigital number, since it uses as much as digits as its factorization.

144311224232257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 43.

Adding to 144311224232257 its reverse (752232422113441), we get a palindrome (896543646345698).

The spelling of 144311224232257 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred twenty-four million, two hundred thirty-two thousand, two hundred fifty-seven".