144221230231 has 4 divisors (see below), whose sum is σ = 155315171032. Its totient is φ = 133127289432.

The previous prime is 144221230217. The next prime is 144221230253. The reversal of 144221230231 is 132032122441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132032122441 = 29671 ⋅4449871.

It is a cyclic number.

It is not a de Polignac number, because 144221230231 - 2⁵ = 144221230199 is a prime.

It is a super-3 number, since 3×144221230231³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144221230196 and 144221230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221230261) 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, 5546970381 + ... + 5546970406.

It is an arithmetic number, because the mean of its divisors is an integer number (38828792758).

Almost surely, 2^144221230231 is an apocalyptic number.

144221230231 is a deficient number, since it is larger than the sum of its proper divisors (11093940801).

144221230231 is a wasteful number, since it uses less digits than its factorization.

144221230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11093940800.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144221230231 its reverse (132032122441), we get a palindrome (276253352672).

The spelling of 144221230231 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred thirty thousand, two hundred thirty-one".