230158 has 4 divisors (see below), whose sum is σ = 345240. Its totient is φ = 115078.
The previous prime is 230149. The next prime is 230189. The reversal of 230158 is 851032.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57538 + ... + 57541.
It is an arithmetic number, because the mean of its divisors is an integer number (86310).
2230158 is an apocalyptic number.
230158 is a deficient number, since it is larger than the sum of its proper divisors (115082).
230158 is a wasteful number, since it uses less digits than its factorization.
230158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115081.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 230158 is about 479.7478504381. The cubic root of 230158 is about 61.2832833127.
The spelling of 230158 in words is "two hundred thirty thousand, one hundred fifty-eight".
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