144324231437 has 2 divisors, whose sum is σ = 144324231438. Its totient is φ = 144324231436.

The previous prime is 144324231433. The next prime is 144324231461. The reversal of 144324231437 is 734132423441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99433639561 + 44890591876 = 315331^2 + 211874^2 .

It is a cyclic number.

It is not a de Polignac number, because 144324231437 - 2² = 144324231433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144324231437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144324231433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72162115718 + 72162115719.

It is an arithmetic number, because the mean of its divisors is an integer number (72162115719).

Almost surely, 2^144324231437 is an apocalyptic number.

It is an amenable number.

144324231437 is a deficient number, since it is larger than the sum of its proper divisors (1).

144324231437 is an equidigital number, since it uses as much as digits as its factorization.

144324231437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 38.

Adding to 144324231437 its reverse (734132423441), we get a palindrome (878456654878).

The spelling of 144324231437 in words is "one hundred forty-four billion, three hundred twenty-four million, two hundred thirty-one thousand, four hundred thirty-seven".