144543 has 8 divisors (see below), whose sum is σ = 220288. Its totient is φ = 82584.

The previous prime is 144541. The next prime is 144563. The reversal of 144543 is 345441.

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

It is not a de Polignac number, because 144543 - 2¹ = 144541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6883 = 144543 / (1 + 4 + 4 + 5 + 4 + 3).

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421 + ... + 3462.

It is an arithmetic number, because the mean of its divisors is an integer number (27536).

2¹⁴⁴⁵⁴³ is an apocalyptic number.

144543 is a deficient number, since it is larger than the sum of its proper divisors (75745).

144543 is an equidigital number, since it uses as much as digits as its factorization.

144543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893.

The product of its digits is 960, while the sum is 21.

The square root of 144543 is about 380.1881113344. The cubic root of 144543 is about 52.4806277733.

Adding to 144543 its reverse (345441), we get a palindrome (489984).

It can be divided in two parts, 1 and 44543, that added together give a palindrome (44544).

The spelling of 144543 in words is "one hundred forty-four thousand, five hundred forty-three".