144242242439 has 2 divisors, whose sum is σ = 144242242440. Its totient is φ = 144242242438.

The previous prime is 144242242429. The next prime is 144242242457. The reversal of 144242242439 is 934242242441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144242242439 - 2⁴ = 144242242423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144242242396 and 144242242405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144242242429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72121121219 + 72121121220.

It is an arithmetic number, because the mean of its divisors is an integer number (72121121220).

Almost surely, 2^144242242439 is an apocalyptic number.

144242242439 is a deficient number, since it is larger than the sum of its proper divisors (1).

144242242439 is an equidigital number, since it uses as much as digits as its factorization.

144242242439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 41.

The spelling of 144242242439 in words is "one hundred forty-four billion, two hundred forty-two million, two hundred forty-two thousand, four hundred thirty-nine".