144137443 has 2 divisors, whose sum is σ = 144137444. Its totient is φ = 144137442.

The previous prime is 144137431. The next prime is 144137467. The reversal of 144137443 is 344731441.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (344731441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144137443 is a prime.

It is not a weakly prime, because it can be changed into another prime (144137243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72068721 + 72068722.

It is an arithmetic number, because the mean of its divisors is an integer number (72068722).

Almost surely, 2^144137443 is an apocalyptic number.

144137443 is a deficient number, since it is larger than the sum of its proper divisors (1).

144137443 is an equidigital number, since it uses as much as digits as its factorization.

144137443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 144137443 is about 12005.7254258125. The cubic root of 144137443 is about 524.3149862584.

Adding to 144137443 its reverse (344731441), we get a palindrome (488868884).

The spelling of 144137443 in words is "one hundred forty-four million, one hundred thirty-seven thousand, four hundred forty-three".