108547942 has 4 divisors (see below), whose sum is σ = 162821916. Its totient is φ = 54273970.

The previous prime is 108547937. The next prime is 108547949. The reversal of 108547942 is 249745801.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 108547895 and 108547904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108547949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27136984 + ... + 27136987.

It is an arithmetic number, because the mean of its divisors is an integer number (40705479).

Almost surely, 2^108547942 is an apocalyptic number.

108547942 is a deficient number, since it is larger than the sum of its proper divisors (54273974).

108547942 is an equidigital number, since it uses as much as digits as its factorization.

108547942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54273973.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 108547942 is about 10418.6343634855. The cubic root of 108547942 is about 477.0243311883.

The spelling of 108547942 in words is "one hundred eight million, five hundred forty-seven thousand, nine hundred forty-two".