144321244221243 has 4 divisors (see below), whose sum is σ = 192428325628328. Its totient is φ = 96214162814160.

The previous prime is 144321244221103. The next prime is 144321244221283. The reversal of 144321244221243 is 342122442123441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144321244221243 - 2²⁵ = 144321210666811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144321244221283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24053540703538 + ... + 24053540703543.

It is an arithmetic number, because the mean of its divisors is an integer number (48107081407082).

Almost surely, 2^{144321244221243} is an apocalyptic number.

144321244221243 is a deficient number, since it is larger than the sum of its proper divisors (48107081407085).

144321244221243 is an equidigital number, since it uses as much as digits as its factorization.

144321244221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48107081407084.

The product of its digits is 294912, while the sum is 39.

Adding to 144321244221243 its reverse (342122442123441), we get a palindrome (486443686344684).

The spelling of 144321244221243 in words is "one hundred forty-four trillion, three hundred twenty-one billion, two hundred forty-four million, two hundred twenty-one thousand, two hundred forty-three".