108542 has 8 divisors (see below), whose sum is σ = 186096. Its totient is φ = 46512.

The previous prime is 108541. The next prime is 108553. The reversal of 108542 is 245801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (23262).

2¹⁰⁸⁵⁴² is an apocalyptic number.

108542 is a deficient number, since it is larger than the sum of its proper divisors (77554).

108542 is an equidigital number, since it uses as much as digits as its factorization.

108542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 108542 is about 329.4571292293. The cubic root of 108542 is about 47.7015626800.

The spelling of 108542 in words is "one hundred eight thousand, five hundred forty-two".