144334121 has 4 divisors (see below), whose sum is σ = 144380100. Its totient is φ = 144288144.

The previous prime is 144334117. The next prime is 144334129. The reversal of 144334121 is 121433441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121433441 = 53 ⋅2291197.

It can be written as a sum of positive squares in 2 ways, for example, as 86025625 + 58308496 = 9275^2 + 7636^2 .

It is a cyclic number.

It is not a de Polignac number, because 144334121 - 2² = 144334117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144334129) 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, 17906 + ... + 24683.

It is an arithmetic number, because the mean of its divisors is an integer number (36095025).

Almost surely, 2^144334121 is an apocalyptic number.

It is an amenable number.

144334121 is a deficient number, since it is larger than the sum of its proper divisors (45979).

144334121 is an equidigital number, since it uses as much as digits as its factorization.

144334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45978.

The product of its digits is 1152, while the sum is 23.

The square root of 144334121 is about 12013.9136421068. The cubic root of 144334121 is about 524.5533567856.

Adding to 144334121 its reverse (121433441), we get a palindrome (265767562).

The spelling of 144334121 in words is "one hundred forty-four million, three hundred thirty-four thousand, one hundred twenty-one".