144144503 has 4 divisors (see below), whose sum is σ = 144168528. Its totient is φ = 144120480.

The previous prime is 144144499. The next prime is 144144509. The reversal of 144144503 is 305441441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 305441441 = 151 ⋅2022791.

It is a cyclic number.

It is not a de Polignac number, because 144144503 - 2² = 144144499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5438 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (36042132).

Almost surely, 2^144144503 is an apocalyptic number.

144144503 is a deficient number, since it is larger than the sum of its proper divisors (24025).

144144503 is a wasteful number, since it uses less digits than its factorization.

144144503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24024.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 144144503 is about 12006.0194485933. The cubic root of 144144503 is about 524.3235466141.

Adding to 144144503 its reverse (305441441), we get a palindrome (449585944).

The spelling of 144144503 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred three".