158218830 has 288 divisors, whose sum is σ = 551715840. Its totient is φ = 30551040.

The previous prime is 158218829. The next prime is 158218859. The reversal of 158218830 is 38812851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2002731 + ... + 2002809.

It is an arithmetic number, because the mean of its divisors is an integer number (1915680).

Almost surely, 2^158218830 is an apocalyptic number.

158218830 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 158218830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275857920).

158218830 is an abundant number, since it is smaller than the sum of its proper divisors (393497010).

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

158218830 is a wasteful number, since it uses less digits than its factorization.

158218830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 158218830 is about 12578.5066681224. The cubic root of 158218830 is about 540.8614849878.

The spelling of 158218830 in words is "one hundred fifty-eight million, two hundred eighteen thousand, eight hundred thirty".