144540503 has 2 divisors, whose sum is σ = 144540504. Its totient is φ = 144540502.

The previous prime is 144540493. The next prime is 144540521. The reversal of 144540503 is 305045441.

144540503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (305045441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144540503 - 2¹⁴ = 144524119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144540523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72270251 + 72270252.

It is an arithmetic number, because the mean of its divisors is an integer number (72270252).

Almost surely, 2^144540503 is an apocalyptic number.

144540503 is a deficient number, since it is larger than the sum of its proper divisors (1).

144540503 is an equidigital number, since it uses as much as digits as its factorization.

144540503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 144540503 is about 12022.4998648368. The cubic root of 144540503 is about 524.8032556819.

Adding to 144540503 its reverse (305045441), we get a palindrome (449585944).

The spelling of 144540503 in words is "one hundred forty-four million, five hundred forty thousand, five hundred three".