144343139 has 2 divisors, whose sum is σ = 144343140. Its totient is φ = 144343138.

The previous prime is 144343117. The next prime is 144343151. The reversal of 144343139 is 931343441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144343139 is a prime.

It is not a weakly prime, because it can be changed into another prime (144343109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72171569 + 72171570.

It is an arithmetic number, because the mean of its divisors is an integer number (72171570).

Almost surely, 2^144343139 is an apocalyptic number.

144343139 is a deficient number, since it is larger than the sum of its proper divisors (1).

144343139 is an equidigital number, since it uses as much as digits as its factorization.

144343139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 144343139 is about 12014.2889510782. The cubic root of 144343139 is about 524.5642812610.

The spelling of 144343139 in words is "one hundred forty-four million, three hundred forty-three thousand, one hundred thirty-nine".