144138303 has 24 divisors (see below), whose sum is σ = 213751200. Its totient is φ = 93562560.

The previous prime is 144138299. The next prime is 144138311. The reversal of 144138303 is 303831441.

144138303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144138303 - 2² = 144138299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144138343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55273 + ... + 57821.

It is an arithmetic number, because the mean of its divisors is an integer number (8906300).

Almost surely, 2^144138303 is an apocalyptic number.

144138303 is a deficient number, since it is larger than the sum of its proper divisors (69612897).

144138303 is a wasteful number, since it uses less digits than its factorization.

144138303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 144138303 is about 12005.7612420038. The cubic root of 144138303 is about 524.3160290362.

Adding to 144138303 its reverse (303831441), we get a palindrome (447969744).

It can be divided in two parts, 144138 and 303, that added together give a palindrome (144441).

The spelling of 144138303 in words is "one hundred forty-four million, one hundred thirty-eight thousand, three hundred three".