144164231 has 2 divisors, whose sum is σ = 144164232. Its totient is φ = 144164230.

The previous prime is 144164227. The next prime is 144164243. The reversal of 144164231 is 132461441.

It is a happy number.

144164231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144164231 - 2² = 144164227 is a prime.

It is a super-2 number, since 2×144164231² = 41566650999642722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144164231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144164201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72082115 + 72082116.

It is an arithmetic number, because the mean of its divisors is an integer number (72082116).

Almost surely, 2^144164231 is an apocalyptic number.

144164231 is a deficient number, since it is larger than the sum of its proper divisors (1).

144164231 is an equidigital number, since it uses as much as digits as its factorization.

144164231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 144164231 is about 12006.8410083585. The cubic root of 144164231 is about 524.3474656279.

The spelling of 144164231 in words is "one hundred forty-four million, one hundred sixty-four thousand, two hundred thirty-one".