542105043 has 8 divisors (see below), whose sum is σ = 723360000. Its totient is φ = 361126728.

The previous prime is 542105021. The next prime is 542105063. The reversal of 542105043 is 340501245.

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

It is not a de Polignac number, because 542105043 - 2¹⁰ = 542104019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542105063) 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 7 ways as a sum of consecutive naturals, for example, 64543 + ... + 72456.

It is an arithmetic number, because the mean of its divisors is an integer number (90420000).

Almost surely, 2^542105043 is an apocalyptic number.

542105043 is a deficient number, since it is larger than the sum of its proper divisors (181254957).

542105043 is a wasteful number, since it uses less digits than its factorization.

542105043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138321.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 542105043 is about 23283.1493359468. The cubic root of 542105043 is about 815.3820548046.

Adding to 542105043 its reverse (340501245), we get a palindrome (882606288).

The spelling of 542105043 in words is "five hundred forty-two million, one hundred five thousand, forty-three".