158730 has 64 divisors (see below), whose sum is σ = 459648. Its totient is φ = 34560.

The previous prime is 158699. The next prime is 158731. The reversal of 158730 is 37851.

It is a self number, because there is not a number n which added to its sum of digits gives 158730.

It is a congruent number.

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

158730 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 31 ways as a sum of consecutive naturals, for example, 4272 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (7182).

2¹⁵⁸⁷³⁰ is an apocalyptic number.

158730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229824).

158730 is an abundant number, since it is smaller than the sum of its proper divisors (300918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158730 is a wasteful number, since it uses less digits than its factorization.

158730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 158730 is about 398.4093372400. The cubic root of 158730 is about 54.1443326729.

It can be divided in two parts, 158 and 730, that added together give a palindrome (888).

The spelling of 158730 in words is "one hundred fifty-eight thousand, seven hundred thirty".