230665158 has 40 divisors (see below), whose sum is σ = 528896808. Its totient is φ = 75098016.

The previous prime is 230665153. The next prime is 230665177. The reversal of 230665158 is 851566032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230665153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9591 + ... + 23522.

Almost surely, 2^230665158 is an apocalyptic number.

230665158 is an abundant number, since it is smaller than the sum of its proper divisors (298231650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230665158 is a wasteful number, since it uses less digits than its factorization.

230665158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33170 (or 33161 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 230665158 is about 15187.6646657740. The cubic root of 230665158 is about 613.2826329257.

It can be divided in two parts, 23066 and 5158, that added together give a square (28224 = 168²).

The spelling of 230665158 in words is "two hundred thirty million, six hundred sixty-five thousand, one hundred fifty-eight".