144389963 has 2 divisors, whose sum is σ = 144389964. Its totient is φ = 144389962.

The previous prime is 144389957. The next prime is 144390007. The reversal of 144389963 is 369983441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144389963 - 2⁶ = 144389899 is a prime.

It is a super-2 number, since 2×144389963² = 41696922830282738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144389563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72194981 + 72194982.

It is an arithmetic number, because the mean of its divisors is an integer number (72194982).

Almost surely, 2^144389963 is an apocalyptic number.

144389963 is a deficient number, since it is larger than the sum of its proper divisors (1).

144389963 is an equidigital number, since it uses as much as digits as its factorization.

144389963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 144389963 is about 12016.2374726867. The cubic root of 144389963 is about 524.6209969054.

The spelling of 144389963 in words is "one hundred forty-four million, three hundred eighty-nine thousand, nine hundred sixty-three".