144143939 has 2 divisors, whose sum is σ = 144143940. Its totient is φ = 144143938.

The previous prime is 144143917. The next prime is 144143957. The reversal of 144143939 is 939341441.

It is a happy number.

144143939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144143939 - 2²⁰ = 143095363 is a prime.

It is not a weakly prime, because it can be changed into another prime (144143339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72071969 + 72071970.

It is an arithmetic number, because the mean of its divisors is an integer number (72071970).

Almost surely, 2^144143939 is an apocalyptic number.

144143939 is a deficient number, since it is larger than the sum of its proper divisors (1).

144143939 is an equidigital number, since it uses as much as digits as its factorization.

144143939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 144143939 is about 12005.9959603525. The cubic root of 144143939 is about 524.3228627660.

The spelling of 144143939 in words is "one hundred forty-four million, one hundred forty-three thousand, nine hundred thirty-nine".