538143 has 4 divisors (see below), whose sum is σ = 717528. Its totient is φ = 358760.

The previous prime is 538127. The next prime is 538147. The reversal of 538143 is 341835.

538143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538143 - 2⁴ = 538127 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89688 + ... + 89693.

It is an arithmetic number, because the mean of its divisors is an integer number (179382).

2⁵³⁸¹⁴³ is an apocalyptic number.

538143 is a deficient number, since it is larger than the sum of its proper divisors (179385).

538143 is a wasteful number, since it uses less digits than its factorization.

538143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179384.

The product of its digits is 1440, while the sum is 24.

The square root of 538143 is about 733.5823062206. The cubic root of 538143 is about 81.3390754852.

Adding to 538143 its reverse (341835), we get a palindrome (879978).

The spelling of 538143 in words is "five hundred thirty-eight thousand, one hundred forty-three".