144492779 has 2 divisors, whose sum is σ = 144492780. Its totient is φ = 144492778.

The previous prime is 144492757. The next prime is 144492781. The reversal of 144492779 is 977294441.

It is a happy number.

144492779 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 144492779 - 2¹² = 144488683 is a prime.

It is a Sophie Germain prime.

Together with 144492781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144492709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72246389 + 72246390.

It is an arithmetic number, because the mean of its divisors is an integer number (72246390).

Almost surely, 2^144492779 is an apocalyptic number.

144492779 is a deficient number, since it is larger than the sum of its proper divisors (1).

144492779 is an equidigital number, since it uses as much as digits as its factorization.

144492779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 144492779 is about 12020.5149224149. The cubic root of 144492779 is about 524.7454899414.

The spelling of 144492779 in words is "one hundred forty-four million, four hundred ninety-two thousand, seven hundred seventy-nine".