100342 has 8 divisors (see below), whose sum is σ = 164232. Its totient is φ = 45600.

The previous prime is 100333. The next prime is 100343. The reversal of 100342 is 243001.

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 (100343) by changing a digit.

100342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 2259 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (20529).

2¹⁰⁰³⁴² is an apocalyptic number.

100342 is a deficient number, since it is larger than the sum of its proper divisors (63890).

100342 is a wasteful number, since it uses less digits than its factorization.

100342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 100342 is about 316.7680539448. The cubic root of 100342 is about 46.4687422411.

Adding to 100342 its reverse (243001), we get a palindrome (343343).

The spelling of 100342 in words is "one hundred thousand, three hundred forty-two", and thus it is an iban number.