238842158 has 4 divisors (see below), whose sum is σ = 358263240. Its totient is φ = 119421078.

The previous prime is 238842137. The next prime is 238842161. The reversal of 238842158 is 851248832.

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, 59710538 + ... + 59710541.

It is an arithmetic number, because the mean of its divisors is an integer number (89565810).

Almost surely, 2^238842158 is an apocalyptic number.

238842158 is a deficient number, since it is larger than the sum of its proper divisors (119421082).

238842158 is a wasteful number, since it uses less digits than its factorization.

238842158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119421081.

The product of its digits is 122880, while the sum is 41.

The square root of 238842158 is about 15454.5190154854. The cubic root of 238842158 is about 620.4455330404.

The spelling of 238842158 in words is "two hundred thirty-eight million, eight hundred forty-two thousand, one hundred fifty-eight".