144436679 has 2 divisors, whose sum is σ = 144436680. Its totient is φ = 144436678.

The previous prime is 144436639. The next prime is 144436681. The reversal of 144436679 is 976634441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144436679 is a prime.

Together with 144436681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144436639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72218339 + 72218340.

It is an arithmetic number, because the mean of its divisors is an integer number (72218340).

Almost surely, 2^144436679 is an apocalyptic number.

144436679 is a deficient number, since it is larger than the sum of its proper divisors (1).

144436679 is an equidigital number, since it uses as much as digits as its factorization.

144436679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 144436679 is about 12018.1811851877. The cubic root of 144436679 is about 524.6775695169.

The spelling of 144436679 in words is "one hundred forty-four million, four hundred thirty-six thousand, six hundred seventy-nine".