140543 has 8 divisors (see below), whose sum is σ = 159600. Its totient is φ = 122688.

The previous prime is 140533. The next prime is 140549. The reversal of 140543 is 345041.

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 140543 - 2⁴ = 140527 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2¹⁴⁰⁵⁴³ is an apocalyptic number.

140543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140543 is a deficient number, since it is larger than the sum of its proper divisors (19057).

140543 is a wasteful number, since it uses less digits than its factorization.

140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 140543 is about 374.8906507236. The cubic root of 140543 is about 51.9919859445.

Adding to 140543 its reverse (345041), we get a palindrome (485584).

The spelling of 140543 in words is "one hundred forty thousand, five hundred forty-three".