108421442 has 8 divisors (see below), whose sum is σ = 163156032. Its totient is φ = 54036100.

The previous prime is 108421441. The next prime is 108421451. The reversal of 108421442 is 244124801.

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

It is not an unprimeable number, because it can be changed into a prime (108421441) 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, 86534 + ... + 87777.

It is an arithmetic number, because the mean of its divisors is an integer number (20394504).

Almost surely, 2^108421442 is an apocalyptic number.

108421442 is a deficient number, since it is larger than the sum of its proper divisors (54734590).

108421442 is a wasteful number, since it uses less digits than its factorization.

108421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174624.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 108421442 is about 10412.5617405132. The cubic root of 108421442 is about 476.8389537010.

The spelling of 108421442 in words is "one hundred eight million, four hundred twenty-one thousand, four hundred forty-two".