144431243 has 4 divisors (see below), whose sum is σ = 157561368. Its totient is φ = 131301120.

The previous prime is 144431227. The next prime is 144431257. The reversal of 144431243 is 342134441.

144431243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144431243 - 2⁴ = 144431227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144431143) 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, 6565046 + ... + 6565067.

It is an arithmetic number, because the mean of its divisors is an integer number (39390342).

Almost surely, 2^144431243 is an apocalyptic number.

144431243 is a deficient number, since it is larger than the sum of its proper divisors (13130125).

144431243 is a wasteful number, since it uses less digits than its factorization.

144431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130124.

The product of its digits is 4608, while the sum is 26.

The square root of 144431243 is about 12017.9550257105. The cubic root of 144431243 is about 524.6709872021.

Adding to 144431243 its reverse (342134441), we get a palindrome (486565684).

The spelling of 144431243 in words is "one hundred forty-four million, four hundred thirty-one thousand, two hundred forty-three".