543142 has 4 divisors (see below), whose sum is σ = 814716. Its totient is φ = 271570.

The previous prime is 543139. The next prime is 543143. The reversal of 543142 is 241345.

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

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135784 + ... + 135787.

It is an arithmetic number, because the mean of its divisors is an integer number (203679).

2⁵⁴³¹⁴² is an apocalyptic number.

543142 is a deficient number, since it is larger than the sum of its proper divisors (271574).

543142 is a wasteful number, since it uses less digits than its factorization.

543142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271573.

The product of its digits is 480, while the sum is 19.

The square root of 543142 is about 736.9816822690. The cubic root of 543142 is about 81.5901620525.

Adding to 543142 its reverse (241345), we get a palindrome (784487).

The spelling of 543142 in words is "five hundred forty-three thousand, one hundred forty-two".