158032 has 40 divisors (see below), whose sum is σ = 374976. Its totient is φ = 62976.
The previous prime is 158029. The next prime is 158047. The reversal of 158032 is 230851.
It is a happy number.
It is a super-2 number, since 2×1580322 = 49948226048, which contains 22 as substring.
It is a nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863 + ... + 1945.
2158032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 158032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187488).
158032 is an abundant number, since it is smaller than the sum of its proper divisors (216944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158032 is a wasteful number, since it uses less digits than its factorization.
158032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115 (or 109 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 158032 is about 397.5323886176. The cubic root of 158032 is about 54.0648512125.
Adding to 158032 its reverse (230851), we get a palindrome (388883).
The spelling of 158032 in words is "one hundred fifty-eight thousand, thirty-two".
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