144042979 has 2 divisors, whose sum is σ = 144042980. Its totient is φ = 144042978.

The previous prime is 144042967. The next prime is 144043007. The reversal of 144042979 is 979240441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144042979 - 2¹⁵ = 144010211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144042929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72021489 + 72021490.

It is an arithmetic number, because the mean of its divisors is an integer number (72021490).

Almost surely, 2^144042979 is an apocalyptic number.

144042979 is a deficient number, since it is larger than the sum of its proper divisors (1).

144042979 is an equidigital number, since it uses as much as digits as its factorization.

144042979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 144042979 is about 12001.7906580643. The cubic root of 144042979 is about 524.2004203419.

The spelling of 144042979 in words is "one hundred forty-four million, forty-two thousand, nine hundred seventy-nine".