144789943 has 2 divisors, whose sum is σ = 144789944. Its totient is φ = 144789942.

The previous prime is 144789929. The next prime is 144789947. The reversal of 144789943 is 349987441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144789943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144789947) 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, 72394971 + 72394972.

It is an arithmetic number, because the mean of its divisors is an integer number (72394972).

Almost surely, 2^144789943 is an apocalyptic number.

144789943 is a deficient number, since it is larger than the sum of its proper divisors (1).

144789943 is an equidigital number, since it uses as much as digits as its factorization.

144789943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 144789943 is about 12032.8692754471. The cubic root of 144789943 is about 525.1049743226.

The spelling of 144789943 in words is "one hundred forty-four million, seven hundred eighty-nine thousand, nine hundred forty-three".