542263143 has 4 divisors (see below), whose sum is σ = 723017528. Its totient is φ = 361508760.

The previous prime is 542263133. The next prime is 542263151. The reversal of 542263143 is 341362245.

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

It is not a de Polignac number, because 542263143 - 2⁸ = 542262887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542263143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542263133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90377188 + ... + 90377193.

It is an arithmetic number, because the mean of its divisors is an integer number (180754382).

Almost surely, 2^542263143 is an apocalyptic number.

542263143 is a deficient number, since it is larger than the sum of its proper divisors (180754385).

542263143 is a wasteful number, since it uses less digits than its factorization.

542263143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180754384.

The product of its digits is 17280, while the sum is 30.

The square root of 542263143 is about 23286.5442476981. The cubic root of 542263143 is about 815.4613133508.

The spelling of 542263143 in words is "five hundred forty-two million, two hundred sixty-three thousand, one hundred forty-three".