144643223 has 2 divisors, whose sum is σ = 144643224. Its totient is φ = 144643222.

The previous prime is 144643189. The next prime is 144643229. The reversal of 144643223 is 322346441.

144643223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144643223 - 2¹² = 144639127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144643229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72321611 + 72321612.

It is an arithmetic number, because the mean of its divisors is an integer number (72321612).

Almost surely, 2^144643223 is an apocalyptic number.

144643223 is a deficient number, since it is larger than the sum of its proper divisors (1).

144643223 is an equidigital number, since it uses as much as digits as its factorization.

144643223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 144643223 is about 12026.7710961837. The cubic root of 144643223 is about 524.9275461615.

Adding to 144643223 its reverse (322346441), we get a palindrome (466989664).

The spelling of 144643223 in words is "one hundred forty-four million, six hundred forty-three thousand, two hundred twenty-three".