144230219 has 4 divisors (see below), whose sum is σ = 164834544. Its totient is φ = 123625896.

The previous prime is 144230209. The next prime is 144230231. The reversal of 144230219 is 912032441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912032441 = 2861 ⋅318781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144230219 is a prime.

It is a super-2 number, since 2×144230219² = 41604712145575922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144230209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10302152 + ... + 10302165.

It is an arithmetic number, because the mean of its divisors is an integer number (41208636).

Almost surely, 2^144230219 is an apocalyptic number.

144230219 is a deficient number, since it is larger than the sum of its proper divisors (20604325).

144230219 is an equidigital number, since it uses as much as digits as its factorization.

144230219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20604324.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 144230219 is about 12009.5886274260. The cubic root of 144230219 is about 524.4274562572.

The spelling of 144230219 in words is "one hundred forty-four million, two hundred thirty thousand, two hundred nineteen".