144367439 has 2 divisors, whose sum is σ = 144367440. Its totient is φ = 144367438.

The previous prime is 144367429. The next prime is 144367459. The reversal of 144367439 is 934763441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144367439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144367396 and 144367405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144367429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72183719 + 72183720.

It is an arithmetic number, because the mean of its divisors is an integer number (72183720).

Almost surely, 2^144367439 is an apocalyptic number.

144367439 is a deficient number, since it is larger than the sum of its proper divisors (1).

144367439 is an equidigital number, since it uses as much as digits as its factorization.

144367439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 144367439 is about 12015.3002043228. The cubic root of 144367439 is about 524.5937162053.

The spelling of 144367439 in words is "one hundred forty-four million, three hundred sixty-seven thousand, four hundred thirty-nine".