It is a sphenic number, since it is the product of 3 distinct primes.
15942 is an admirable number.
It is a plaindrome in base 15.
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 15942.
It is an unprimeable number.
15942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
215942 is an apocalyptic number.
15942 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.
15942 is a wasteful number, since it uses less digits than its factorization.
15942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2662.
The square root of 15942 is about 126.2616331274. The cubic root of 15942 is about 25.1679360401.
Subtracting 15942 from its reverse (24951), we obtain a palindrome (9009).
The spelling of 15942 in words is "fifteen thousand, nine hundred forty-two".