144539963 has 2 divisors, whose sum is σ = 144539964. Its totient is φ = 144539962.

The previous prime is 144539953. The next prime is 144540013. The reversal of 144539963 is 369935441.

It is a weak prime.

It is an emirp because it is prime and its reverse (369935441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144539963 is a prime.

It is not a weakly prime, because it can be changed into another prime (144539953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72269981 + 72269982.

It is an arithmetic number, because the mean of its divisors is an integer number (72269982).

Almost surely, 2^144539963 is an apocalyptic number.

144539963 is a deficient number, since it is larger than the sum of its proper divisors (1).

144539963 is an equidigital number, since it uses as much as digits as its factorization.

144539963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 144539963 is about 12022.4774069241. The cubic root of 144539963 is about 524.8026021302.

The spelling of 144539963 in words is "one hundred forty-four million, five hundred thirty-nine thousand, nine hundred sixty-three".