158159338 has 4 divisors (see below), whose sum is σ = 237239010. Its totient is φ = 79079668.

The previous prime is 158159321. The next prime is 158159399. The reversal of 158159338 is 833951851.

158159338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833951851 = 3187 ⋅261673.

It can be written as a sum of positive squares in only one way, i.e., 130942249 + 27217089 = 11443^2 + 5217^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158159294 and 158159303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39539833 + ... + 39539836.

Almost surely, 2^158159338 is an apocalyptic number.

158159338 is a deficient number, since it is larger than the sum of its proper divisors (79079672).

158159338 is an equidigital number, since it uses as much as digits as its factorization.

158159338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79079671.

The product of its digits is 129600, while the sum is 43.

The square root of 158159338 is about 12576.1416181594. The cubic root of 158159338 is about 540.7936865568.

The spelling of 158159338 in words is "one hundred fifty-eight million, one hundred fifty-nine thousand, three hundred thirty-eight".