158338 has 8 divisors (see below), whose sum is σ = 251532. Its totient is φ = 74496.

The previous prime is 158329. The next prime is 158341. The reversal of 158338 is 833851.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 729 = 397^2 + 27^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295 + ... + 2362.

2¹⁵⁸³³⁸ is an apocalyptic number.

158338 is a deficient number, since it is larger than the sum of its proper divisors (93194).

158338 is a wasteful number, since it uses less digits than its factorization.

158338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its digits is 2880, while the sum is 28.

The square root of 158338 is about 397.9170767886. The cubic root of 158338 is about 54.0997242718.

It can be divided in two parts, 158 and 338, that added together give a triangular number (496 = T₃₁).

The spelling of 158338 in words is "one hundred fifty-eight thousand, three hundred thirty-eight".