144404219 has 2 divisors, whose sum is σ = 144404220. Its totient is φ = 144404218.

The previous prime is 144404177. The next prime is 144404233. The reversal of 144404219 is 912404441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144404219 - 2²⁰ = 143355643 is a prime.

It is a super-2 number, since 2×144404219² = 41705156929999922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 144404191 and 144404200.

It is not a weakly prime, because it can be changed into another prime (144404119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72202109 + 72202110.

It is an arithmetic number, because the mean of its divisors is an integer number (72202110).

Almost surely, 2^144404219 is an apocalyptic number.

144404219 is a deficient number, since it is larger than the sum of its proper divisors (1).

144404219 is an equidigital number, since it uses as much as digits as its factorization.

144404219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 144404219 is about 12016.8306553766. The cubic root of 144404219 is about 524.6382620732.

The spelling of 144404219 in words is "one hundred forty-four million, four hundred four thousand, two hundred nineteen".