231245158 has 8 divisors (see below), whose sum is σ = 346967928. Its totient is φ = 115589184.

The previous prime is 231245111. The next prime is 231245171. The reversal of 231245158 is 851542132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6891 + ... + 22582.

It is an arithmetic number, because the mean of its divisors is an integer number (43370991).

Almost surely, 2^231245158 is an apocalyptic number.

231245158 is a deficient number, since it is larger than the sum of its proper divisors (115722770).

231245158 is a wasteful number, since it uses less digits than its factorization.

231245158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33398.

The product of its digits is 9600, while the sum is 31.

The square root of 231245158 is about 15206.7471209329. The cubic root of 231245158 is about 613.7962290704.

It can be divided in two parts, 23124 and 5158, that added together give a palindrome (28282).

The spelling of 231245158 in words is "two hundred thirty-one million, two hundred forty-five thousand, one hundred fifty-eight".