144133243 has 4 divisors (see below), whose sum is σ = 144588240. Its totient is φ = 143678248.

The previous prime is 144133237. The next prime is 144133271. The reversal of 144133243 is 342331441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342331441 = 887 ⋅385943.

It is a cyclic number.

It is not a de Polignac number, because 144133243 - 2²¹ = 142036091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144133273) 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, 227023 + ... + 227656.

It is an arithmetic number, because the mean of its divisors is an integer number (36147060).

Almost surely, 2^144133243 is an apocalyptic number.

144133243 is a deficient number, since it is larger than the sum of its proper divisors (454997).

144133243 is an equidigital number, since it uses as much as digits as its factorization.

144133243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454996.

The product of its digits is 3456, while the sum is 25.

The square root of 144133243 is about 12005.5505079942. The cubic root of 144133243 is about 524.3098935629.

Adding to 144133243 its reverse (342331441), we get a palindrome (486464684).

The spelling of 144133243 in words is "one hundred forty-four million, one hundred thirty-three thousand, two hundred forty-three".