109143 has 12 divisors (see below), whose sum is σ = 160888. Its totient is φ = 71280.

The previous prime is 109141. The next prime is 109147. The reversal of 109143 is 341901.

It is not a de Polignac number, because 109143 - 2¹ = 109141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513 + ... + 693.

2¹⁰⁹¹⁴³ is an apocalyptic number.

109143 is a deficient number, since it is larger than the sum of its proper divisors (51745).

109143 is a wasteful number, since it uses less digits than its factorization.

109143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 109143 is about 330.3679766563. The cubic root of 109143 is about 47.7894422975.

It can be divided in two parts, 109 and 143, that added together give a palindrome (252).

The spelling of 109143 in words is "one hundred nine thousand, one hundred forty-three".