231648158 has 16 divisors (see below), whose sum is σ = 397335264. Its totient is φ = 99221760.

The previous prime is 231648119. The next prime is 231648161. The reversal of 231648158 is 851846132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29798 + ... + 36758.

It is an arithmetic number, because the mean of its divisors is an integer number (24833454).

Almost surely, 2^231648158 is an apocalyptic number.

231648158 is a deficient number, since it is larger than the sum of its proper divisors (165687106).

231648158 is a wasteful number, since it uses less digits than its factorization.

231648158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347.

The product of its digits is 46080, while the sum is 38.

The square root of 231648158 is about 15219.9920499322. The cubic root of 231648158 is about 614.1525843873.

The spelling of 231648158 in words is "two hundred thirty-one million, six hundred forty-eight thousand, one hundred fifty-eight".