144538799 has 2 divisors, whose sum is σ = 144538800. Its totient is φ = 144538798.

The previous prime is 144538787. The next prime is 144538819. The reversal of 144538799 is 997835441.

It is a weak prime.

It is an emirp because it is prime and its reverse (997835441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144538799 - 2¹² = 144534703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144538769) 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, 72269399 + 72269400.

It is an arithmetic number, because the mean of its divisors is an integer number (72269400).

Almost surely, 2^144538799 is an apocalyptic number.

144538799 is a deficient number, since it is larger than the sum of its proper divisors (1).

144538799 is an equidigital number, since it uses as much as digits as its factorization.

144538799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 144538799 is about 12022.4289975030. The cubic root of 144538799 is about 524.8011933574.

The spelling of 144538799 in words is "one hundred forty-four million, five hundred thirty-eight thousand, seven hundred ninety-nine".