33158 has 8 divisors (see below), whose sum is σ = 50760. Its totient is φ = 16240.
The previous prime is 33151. The next prime is 33161. The reversal of 33158 is 85133.
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 (33151) by changing a digit.
33158 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 (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 258.
It is an arithmetic number, because the mean of its divisors is an integer number (6345).
233158 is an apocalyptic number.
33158 is a deficient number, since it is larger than the sum of its proper divisors (17602).
33158 is a wasteful number, since it uses less digits than its factorization.
33158 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342.
The product of its digits is 360, while the sum is 20.
The square root of 33158 is about 182.0933826365. The cubic root of 33158 is about 32.1264527698.
It can be divided in two parts, 33 and 158, that added together give a palindrome (191).
The spelling of 33158 in words is "thirty-three thousand, one hundred fifty-eight".
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