542143542 has 32 divisors (see below), whose sum is σ = 1094129280. Its totient is φ = 179081280.

The previous prime is 542143541. The next prime is 542143577. The reversal of 542143542 is 245341245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542143541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479634 + ... + 480762.

It is an arithmetic number, because the mean of its divisors is an integer number (34191540).

Almost surely, 2^542143542 is an apocalyptic number.

542143542 is an abundant number, since it is smaller than the sum of its proper divisors (551985738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542143542 is a wasteful number, since it uses less digits than its factorization.

542143542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its digits is 19200, while the sum is 30.

The square root of 542143542 is about 23283.9760779812. The cubic root of 542143542 is about 815.4013565070.

Adding to 542143542 its reverse (245341245), we get a palindrome (787484787).

The spelling of 542143542 in words is "five hundred forty-two million, one hundred forty-three thousand, five hundred forty-two".