4542 has 8 divisors (see below), whose sum is σ = 9096. Its totient is φ = 1512.

The previous prime is 4523. The next prime is 4547. The reversal of 4542 is 2454.

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

4542 is an admirable number.

It is a plaindrome in base 11 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4542.

It is not an unprimeable number, because it can be changed into a prime (4547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373 + ... + 384.

It is an arithmetic number, because the mean of its divisors is an integer number (1137).

2⁴⁵⁴² is an apocalyptic number.

4542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4548).

4542 is a wasteful number, since it uses less digits than its factorization.

4542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 160, while the sum is 15.

The square root of 4542 is about 67.3943617820. The cubic root of 4542 is about 16.5608405837.

Adding to 4542 its reverse (2454), we get a palindrome (6996).

The spelling of 4542 in words is "four thousand, five hundred forty-two".