542857143 has 4 divisors (see below), whose sum is σ = 723809528. Its totient is φ = 361904760.

The previous prime is 542857103. The next prime is 542857193. The reversal of 542857143 is 341758245.

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

It is not a de Polignac number, because 542857143 - 2¹⁶ = 542791607 is a prime.

It is a super-2 number, since 2×542857143² = 589387755412244898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542857103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90476188 + ... + 90476193.

It is an arithmetic number, because the mean of its divisors is an integer number (180952382).

Almost surely, 2^542857143 is an apocalyptic number.

542857143 is a deficient number, since it is larger than the sum of its proper divisors (180952385).

542857143 is a wasteful number, since it uses less digits than its factorization.

542857143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180952384.

The product of its digits is 134400, while the sum is 39.

The square root of 542857143 is about 23299.2949034944. The cubic root of 542857143 is about 815.7589592863.

The spelling of 542857143 in words is "five hundred forty-two million, eight hundred fifty-seven thousand, one hundred forty-three".