158230188 has 18 divisors (see below), whose sum is σ = 399970844. Its totient is φ = 52743384.

The previous prime is 158230159. The next prime is 158230207. The reversal of 158230188 is 881032851.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4395283 = 158230188 / (1 + 5 + 8 + 2 + 3 + 0 + 1 + 8 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2197606 + ... + 2197677.

Almost surely, 2^158230188 is an apocalyptic number.

158230188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158230188 is an abundant number, since it is smaller than the sum of its proper divisors (241740656).

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

158230188 is a wasteful number, since it uses less digits than its factorization.

158230188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395293 (or 4395288 counting only the distinct ones).

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

The square root of 158230188 is about 12578.9581444570. The cubic root of 158230188 is about 540.8744268897.

The spelling of 158230188 in words is "one hundred fifty-eight million, two hundred thirty thousand, one hundred eighty-eight".