144839743 has 2 divisors, whose sum is σ = 144839744. Its totient is φ = 144839742.

The previous prime is 144839741. The next prime is 144839791. The reversal of 144839743 is 347938441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144839743 - 2¹ = 144839741 is a prime.

Together with 144839741, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144839743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144839741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72419871 + 72419872.

It is an arithmetic number, because the mean of its divisors is an integer number (72419872).

Almost surely, 2^144839743 is an apocalyptic number.

144839743 is a deficient number, since it is larger than the sum of its proper divisors (1).

144839743 is an equidigital number, since it uses as much as digits as its factorization.

144839743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 144839743 is about 12034.9384294229. The cubic root of 144839743 is about 525.1651701015.

The spelling of 144839743 in words is "one hundred forty-four million, eight hundred thirty-nine thousand, seven hundred forty-three".