144443219 has 2 divisors, whose sum is σ = 144443220. Its totient is φ = 144443218.

The previous prime is 144443209. The next prime is 144443281. The reversal of 144443219 is 912344441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144443219 - 2¹⁶ = 144377683 is a prime.

It is a super-2 number, since 2×144443219² = 41727687030163922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144443209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221609 + 72221610.

It is an arithmetic number, because the mean of its divisors is an integer number (72221610).

Almost surely, 2^144443219 is an apocalyptic number.

144443219 is a deficient number, since it is larger than the sum of its proper divisors (1).

144443219 is an equidigital number, since it uses as much as digits as its factorization.

144443219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 144443219 is about 12018.4532698680. The cubic root of 144443219 is about 524.6854884184.

The spelling of 144443219 in words is "one hundred forty-four million, four hundred forty-three thousand, two hundred nineteen".