144240324323533 has 2 divisors, whose sum is σ = 144240324323534. Its totient is φ = 144240324323532.

The previous prime is 144240324323401. The next prime is 144240324323581. The reversal of 144240324323533 is 335323423042441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88450225420804 + 55790098902729 = 9404798^2 + 7469277^2 .

It is an emirp because it is prime and its reverse (335323423042441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144240324323533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144240324323533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144240324323593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120162161766 + 72120162161767.

It is an arithmetic number, because the mean of its divisors is an integer number (72120162161767).

Almost surely, 2^{144240324323533} is an apocalyptic number.

It is an amenable number.

144240324323533 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240324323533 is an equidigital number, since it uses as much as digits as its factorization.

144240324323533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 43.

Adding to 144240324323533 its reverse (335323423042441), we get a palindrome (479563747365974).

The spelling of 144240324323533 in words is "one hundred forty-four trillion, two hundred forty billion, three hundred twenty-four million, three hundred twenty-three thousand, five hundred thirty-three".