144799493 has 2 divisors, whose sum is σ = 144799494. Its totient is φ = 144799492.

The previous prime is 144799477. The next prime is 144799507. The reversal of 144799493 is 394997441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115390564 + 29408929 = 10742^2 + 5423^2 .

It is a cyclic number.

It is not a de Polignac number, because 144799493 - 2⁴ = 144799477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144799453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72399746 + 72399747.

It is an arithmetic number, because the mean of its divisors is an integer number (72399747).

Almost surely, 2^144799493 is an apocalyptic number.

It is an amenable number.

144799493 is a deficient number, since it is larger than the sum of its proper divisors (1).

144799493 is an equidigital number, since it uses as much as digits as its factorization.

144799493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 144799493 is about 12033.2660986118. The cubic root of 144799493 is about 525.1165189601.

The spelling of 144799493 in words is "one hundred forty-four million, seven hundred ninety-nine thousand, four hundred ninety-three".