158230309 has 8 divisors (see below), whose sum is σ = 166931840. Its totient is φ = 149566176.

The previous prime is 158230307. The next prime is 158230367. The reversal of 158230309 is 903032851.

It is a happy number.

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

It is not a de Polignac number, because 158230309 - 2¹ = 158230307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158230301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429 + ... + 17794.

It is an arithmetic number, because the mean of its divisors is an integer number (20866480).

Almost surely, 2^158230309 is an apocalyptic number.

158230309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

158230309 is a deficient number, since it is larger than the sum of its proper divisors (8701531).

158230309 is a wasteful number, since it uses less digits than its factorization.

158230309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18699.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 158230309 is about 12578.9629540753. The cubic root of 158230309 is about 540.8745647601.

The spelling of 158230309 in words is "one hundred fifty-eight million, two hundred thirty thousand, three hundred nine".