542531143 has 8 divisors (see below), whose sum is σ = 676402560. Its totient is φ = 422751480.

The previous prime is 542531141. The next prime is 542531167. The reversal of 542531143 is 341135245.

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

It is a cyclic number.

It is not a de Polignac number, because 542531143 - 2¹ = 542531141 is a prime.

It is a super-2 number, since 2×542531143² = 588680082249772898, 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 (542531141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522853 + ... + 3523006.

It is an arithmetic number, because the mean of its divisors is an integer number (84550320).

Almost surely, 2^542531143 is an apocalyptic number.

542531143 is a deficient number, since it is larger than the sum of its proper divisors (133871417).

542531143 is a wasteful number, since it uses less digits than its factorization.

542531143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045877.

The product of its digits is 7200, while the sum is 28.

The square root of 542531143 is about 23292.2979330078. The cubic root of 542531143 is about 815.5956316804.

Adding to 542531143 its reverse (341135245), we get a palindrome (883666388).

The spelling of 542531143 in words is "five hundred forty-two million, five hundred thirty-one thousand, one hundred forty-three".