144430440013 has 2 divisors, whose sum is σ = 144430440014. Its totient is φ = 144430440012.

The previous prime is 144430439999. The next prime is 144430440023. The reversal of 144430440013 is 310044034441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99049937284 + 45380502729 = 314722^2 + 213027^2 .

It is a cyclic number.

It is not a de Polignac number, because 144430440013 - 2¹⁷ = 144430308941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144430440023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72215220006 + 72215220007.

It is an arithmetic number, because the mean of its divisors is an integer number (72215220007).

Almost surely, 2^144430440013 is an apocalyptic number.

It is an amenable number.

144430440013 is a deficient number, since it is larger than the sum of its proper divisors (1).

144430440013 is an equidigital number, since it uses as much as digits as its factorization.

144430440013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 144430440013 its reverse (310044034441), we get a palindrome (454474474454).

The spelling of 144430440013 in words is "one hundred forty-four billion, four hundred thirty million, four hundred forty thousand, thirteen".