144326249 has 2 divisors, whose sum is σ = 144326250. Its totient is φ = 144326248.

The previous prime is 144326207. The next prime is 144326251. The reversal of 144326249 is 942623441.

144326249 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 can be written as a sum of positive squares in only one way, i.e., 143880025 + 446224 = 11995^2 + 668^2 .

It is an emirp because it is prime and its reverse (942623441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144326249 - 2¹² = 144322153 is a prime.

It is a Sophie Germain prime.

Together with 144326251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144326279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72163124 + 72163125.

It is an arithmetic number, because the mean of its divisors is an integer number (72163125).

Almost surely, 2^144326249 is an apocalyptic number.

It is an amenable number.

144326249 is a deficient number, since it is larger than the sum of its proper divisors (1).

144326249 is an equidigital number, since it uses as much as digits as its factorization.

144326249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 144326249 is about 12013.5860175053. The cubic root of 144326249 is about 524.5438202116.

The spelling of 144326249 in words is "one hundred forty-four million, three hundred twenty-six thousand, two hundred forty-nine".