144216503 has 2 divisors, whose sum is σ = 144216504. Its totient is φ = 144216502.

The previous prime is 144216493. The next prime is 144216521. The reversal of 144216503 is 305612441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144216503 - 2⁴ = 144216487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144216103) 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, 72108251 + 72108252.

It is an arithmetic number, because the mean of its divisors is an integer number (72108252).

Almost surely, 2^144216503 is an apocalyptic number.

144216503 is a deficient number, since it is larger than the sum of its proper divisors (1).

144216503 is an equidigital number, since it uses as much as digits as its factorization.

144216503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 144216503 is about 12009.0175701429. The cubic root of 144216503 is about 524.4108317360.

Adding to 144216503 its reverse (305612441), we get a palindrome (449828944).

The spelling of 144216503 in words is "one hundred forty-four million, two hundred sixteen thousand, five hundred three".