158738 has 8 divisors (see below), whose sum is σ = 240240. Its totient is φ = 78660.

The previous prime is 158731. The next prime is 158747. The reversal of 158738 is 837851.

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

It is not an unprimeable number, because it can be changed into a prime (158731) by changing a digit.

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, 8 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (30030).

2¹⁵⁸⁷³⁸ is an apocalyptic number.

158738 is a deficient number, since it is larger than the sum of its proper divisors (81502).

158738 is a wasteful number, since it uses less digits than its factorization.

158738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its digits is 6720, while the sum is 32.

The square root of 158738 is about 398.4193770388. The cubic root of 158738 is about 54.1452422833.

It can be divided in two parts, 1587 and 38, that multiplied together give a palindrome (60306).

The spelling of 158738 in words is "one hundred fifty-eight thousand, seven hundred thirty-eight".