144312143 has 8 divisors (see below), whose sum is σ = 150799968. Its totient is φ = 137842144.

The previous prime is 144312139. The next prime is 144312191. The reversal of 144312143 is 341213441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144312143 - 2² = 144312139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312943) 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 7 ways as a sum of consecutive naturals, for example, 13721 + ... + 21837.

It is an arithmetic number, because the mean of its divisors is an integer number (18849996).

Almost surely, 2^144312143 is an apocalyptic number.

144312143 is a deficient number, since it is larger than the sum of its proper divisors (6487825).

144312143 is an equidigital number, since it uses as much as digits as its factorization.

144312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913.

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

The square root of 144312143 is about 12012.9989178390. The cubic root of 144312143 is about 524.5267305593.

Adding to 144312143 its reverse (341213441), we get a palindrome (485525584).

The spelling of 144312143 in words is "one hundred forty-four million, three hundred twelve thousand, one hundred forty-three".