144322393 has 2 divisors, whose sum is σ = 144322394. Its totient is φ = 144322392.

The previous prime is 144322379. The next prime is 144322427. The reversal of 144322393 is 393223441.

144322393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143928009 + 394384 = 11997^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 144322393 - 2⁵ = 144322361 is a prime.

It is not a weakly prime, because it can be changed into another prime (144322313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72161196 + 72161197.

It is an arithmetic number, because the mean of its divisors is an integer number (72161197).

Almost surely, 2^144322393 is an apocalyptic number.

It is an amenable number.

144322393 is a deficient number, since it is larger than the sum of its proper divisors (1).

144322393 is an equidigital number, since it uses as much as digits as its factorization.

144322393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 144322393 is about 12013.4255314627. The cubic root of 144322393 is about 524.5391487144.

The spelling of 144322393 in words is "one hundred forty-four million, three hundred twenty-two thousand, three hundred ninety-three".