144503543021 has 16 divisors (see below), whose sum is σ = 153375151104. Its totient is φ = 135673622784.

The previous prime is 144503543017. The next prime is 144503543039. The reversal of 144503543021 is 120345305441.

It is a cyclic number.

It is not a de Polignac number, because 144503543021 - 2² = 144503543017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144503543221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12644516 + ... + 12655938.

It is an arithmetic number, because the mean of its divisors is an integer number (9585946944).

Almost surely, 2^144503543021 is an apocalyptic number.

It is an amenable number.

144503543021 is a deficient number, since it is larger than the sum of its proper divisors (8871608083).

144503543021 is a wasteful number, since it uses less digits than its factorization.

144503543021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 144503543021 its reverse (120345305441), we get a palindrome (264848848462).

The spelling of 144503543021 in words is "one hundred forty-four billion, five hundred three million, five hundred forty-three thousand, twenty-one".