144764219 has 2 divisors, whose sum is σ = 144764220. Its totient is φ = 144764218.

The previous prime is 144764177. The next prime is 144764227. The reversal of 144764219 is 912467441.

144764219 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 144764219 - 2⁸ = 144763963 is a prime.

It is a super-2 number, since 2×144764219² = 41913358205359922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144761219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72382109 + 72382110.

It is an arithmetic number, because the mean of its divisors is an integer number (72382110).

Almost surely, 2^144764219 is an apocalyptic number.

144764219 is a deficient number, since it is larger than the sum of its proper divisors (1).

144764219 is an equidigital number, since it uses as much as digits as its factorization.

144764219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 144764219 is about 12031.8003224788. The cubic root of 144764219 is about 525.0738750162.

The spelling of 144764219 in words is "one hundred forty-four million, seven hundred sixty-four thousand, two hundred nineteen".