144443243121 has 4 divisors (see below), whose sum is σ = 192590990832. Its totient is φ = 96295495412.

The previous prime is 144443243053. The next prime is 144443243129. The reversal of 144443243121 is 121342344441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144443243121 - 2¹⁸ = 144442980977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144443243129) 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, 24073873851 + ... + 24073873856.

It is an arithmetic number, because the mean of its divisors is an integer number (48147747708).

Almost surely, 2^144443243121 is an apocalyptic number.

It is an amenable number.

144443243121 is a deficient number, since it is larger than the sum of its proper divisors (48147747711).

144443243121 is an equidigital number, since it uses as much as digits as its factorization.

144443243121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48147747710.

The product of its digits is 36864, while the sum is 33.

Adding to 144443243121 its reverse (121342344441), we get a palindrome (265785587562).

The spelling of 144443243121 in words is "one hundred forty-four billion, four hundred forty-three million, two hundred forty-three thousand, one hundred twenty-one".