144231143 has 16 divisors (see below), whose sum is σ = 171065664. Its totient is φ = 119024640.

The previous prime is 144231119. The next prime is 144231151. The reversal of 144231143 is 341132441.

144231143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144231143 - 2⁶ = 144231079 is a prime.

It is a super-2 number, since 2×144231143² = 41605245222172898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144231163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22253 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (10691604).

Almost surely, 2^144231143 is an apocalyptic number.

144231143 is a deficient number, since it is larger than the sum of its proper divisors (26834521).

144231143 is an equidigital number, since it uses as much as digits as its factorization.

144231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882.

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

The square root of 144231143 is about 12009.6270966254. The cubic root of 144231143 is about 524.4285761565.

Adding to 144231143 its reverse (341132441), we get a palindrome (485363584).

The spelling of 144231143 in words is "one hundred forty-four million, two hundred thirty-one thousand, one hundred forty-three".