144397943 has 2 divisors, whose sum is σ = 144397944. Its totient is φ = 144397942.

The previous prime is 144397937. The next prime is 144397963. The reversal of 144397943 is 349793441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144397943 - 2⁴ = 144397927 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144397894 and 144397903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144397963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72198971 + 72198972.

It is an arithmetic number, because the mean of its divisors is an integer number (72198972).

Almost surely, 2^144397943 is an apocalyptic number.

144397943 is a deficient number, since it is larger than the sum of its proper divisors (1).

144397943 is an equidigital number, since it uses as much as digits as its factorization.

144397943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 144397943 is about 12016.5695187936. The cubic root of 144397943 is about 524.6306614702.

The spelling of 144397943 in words is "one hundred forty-four million, three hundred ninety-seven thousand, nine hundred forty-three".