158148238 has 8 divisors (see below), whose sum is σ = 242739288. Its totient is φ = 77235144.

The previous prime is 158148233. The next prime is 158148239. The reversal of 158148238 is 832841851.

158148238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 158148238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158148233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919381 + ... + 919552.

It is an arithmetic number, because the mean of its divisors is an integer number (30342411).

Almost surely, 2^158148238 is an apocalyptic number.

158148238 is a deficient number, since it is larger than the sum of its proper divisors (84591050).

158148238 is a wasteful number, since it uses less digits than its factorization.

158148238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838978.

The product of its digits is 61440, while the sum is 40.

The square root of 158148238 is about 12575.7002985917. The cubic root of 158148238 is about 540.7810348634.

The spelling of 158148238 in words is "one hundred fifty-eight million, one hundred forty-eight thousand, two hundred thirty-eight".