144716639 has 2 divisors, whose sum is σ = 144716640. Its totient is φ = 144716638.

The previous prime is 144716633. The next prime is 144716681. The reversal of 144716639 is 936617441.

It is a weak prime.

It is an emirp because it is prime and its reverse (936617441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144716639 - 2⁴ = 144716623 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144716596 and 144716605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144716633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72358319 + 72358320.

It is an arithmetic number, because the mean of its divisors is an integer number (72358320).

Almost surely, 2^144716639 is an apocalyptic number.

144716639 is a deficient number, since it is larger than the sum of its proper divisors (1).

144716639 is an equidigital number, since it uses as much as digits as its factorization.

144716639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 144716639 is about 12029.8228997770. The cubic root of 144716639 is about 525.0163429531.

The spelling of 144716639 in words is "one hundred forty-four million, seven hundred sixteen thousand, six hundred thirty-nine".