4542042 has 16 divisors (see below), whose sum is σ = 9109152. Its totient is φ = 1509840.

The previous prime is 4542029. The next prime is 4542049. The reversal of 4542042 is 2402454.

It is not an unprimeable number, because it can be changed into a prime (4542049) 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 7 ways as a sum of consecutive naturals, for example, 1992 + ... + 3612.

It is an arithmetic number, because the mean of its divisors is an integer number (569322).

Almost surely, 2^4542042 is an apocalyptic number.

4542042 is an abundant number, since it is smaller than the sum of its proper divisors (4567110).

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

4542042 is a wasteful number, since it uses less digits than its factorization.

4542042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4542042 is about 2131.2067004399. The cubic root of 4542042 is about 165.6089162974.

Adding to 4542042 its reverse (2402454), we get a palindrome (6944496).

The spelling of 4542042 in words is "four million, five hundred forty-two thousand, forty-two".