542424142 has 8 divisors (see below), whose sum is σ = 876223656. Its totient is φ = 250349592.

The previous prime is 542424131. The next prime is 542424199. The reversal of 542424142 is 241424245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 542424142.

It is a congruent number.

It is an unprimeable number.

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, 10431208 + ... + 10431259.

It is an arithmetic number, because the mean of its divisors is an integer number (109527957).

Almost surely, 2^542424142 is an apocalyptic number.

542424142 is a deficient number, since it is larger than the sum of its proper divisors (333799514).

542424142 is a wasteful number, since it uses less digits than its factorization.

542424142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862482.

The product of its digits is 10240, while the sum is 28.

The square root of 542424142 is about 23290.0009016745. Note that the first 3 decimals coincide. The cubic root of 542424142 is about 815.5420093908.

Adding to 542424142 its reverse (241424245), we get a palindrome (783848387).

The spelling of 542424142 in words is "five hundred forty-two million, four hundred twenty-four thousand, one hundred forty-two".