144404223 has 8 divisors (see below), whose sum is σ = 192595968. Its totient is φ = 96240984.

The previous prime is 144404219. The next prime is 144404233. The reversal of 144404223 is 322404441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144404223 - 2² = 144404219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144404193 and 144404202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144404233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12136 + ... + 20882.

It is an arithmetic number, because the mean of its divisors is an integer number (24074496).

Almost surely, 2^144404223 is an apocalyptic number.

144404223 is a deficient number, since it is larger than the sum of its proper divisors (48191745).

144404223 is an equidigital number, since it uses as much as digits as its factorization.

144404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144404223 is about 12016.8308218099. The cubic root of 144404223 is about 524.6382669174.

Adding to 144404223 its reverse (322404441), we get a palindrome (466808664).

The spelling of 144404223 in words is "one hundred forty-four million, four hundred four thousand, two hundred twenty-three".