144203420231 has 8 divisors (see below), whose sum is σ = 159083698704. Its totient is φ = 129864242880.

The previous prime is 144203420213. The next prime is 144203420237. The reversal of 144203420231 is 132024302441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144203420231 is a prime.

It is a super-2 number, since 2×144203420231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144203420231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144203420237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135274721 + ... + 135275786.

It is an arithmetic number, because the mean of its divisors is an integer number (19885462338).

Almost surely, 2^144203420231 is an apocalyptic number.

144203420231 is a deficient number, since it is larger than the sum of its proper divisors (14880278473).

144203420231 is a wasteful number, since it uses less digits than its factorization.

144203420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270550561.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 144203420231 its reverse (132024302441), we get a palindrome (276227722672).

The spelling of 144203420231 in words is "one hundred forty-four billion, two hundred three million, four hundred twenty thousand, two hundred thirty-one".