144145223 has 2 divisors, whose sum is σ = 144145224. Its totient is φ = 144145222.

The previous prime is 144145219. The next prime is 144145241. The reversal of 144145223 is 322541441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144145223 - 2² = 144145219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144145192 and 144145201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144145523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72072611 + 72072612.

It is an arithmetic number, because the mean of its divisors is an integer number (72072612).

Almost surely, 2^144145223 is an apocalyptic number.

144145223 is a deficient number, since it is larger than the sum of its proper divisors (1).

144145223 is an equidigital number, since it uses as much as digits as its factorization.

144145223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 144145223 is about 12006.0494335148. The cubic root of 144145223 is about 524.3244196092.

Adding to 144145223 its reverse (322541441), we get a palindrome (466686664).

It can be divided in two parts, 1441 and 45223, that added together give a palindrome (46664).

The spelling of 144145223 in words is "one hundred forty-four million, one hundred forty-five thousand, two hundred twenty-three".