144005779 has 2 divisors, whose sum is σ = 144005780. Its totient is φ = 144005778.

The previous prime is 144005777. The next prime is 144005833. The reversal of 144005779 is 977500441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144005779 - 2¹ = 144005777 is a prime.

Together with 144005777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144005777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72002889 + 72002890.

It is an arithmetic number, because the mean of its divisors is an integer number (72002890).

Almost surely, 2^144005779 is an apocalyptic number.

144005779 is a deficient number, since it is larger than the sum of its proper divisors (1).

144005779 is an equidigital number, since it uses as much as digits as its factorization.

144005779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 144005779 is about 12000.2407892509. The cubic root of 144005779 is about 524.1552904445.

The spelling of 144005779 in words is "one hundred forty-four million, five thousand, seven hundred seventy-nine".