158143982 has 8 divisors (see below), whose sum is σ = 239564952. Its totient is φ = 78289000.

The previous prime is 158143943. The next prime is 158143987. The reversal of 158143982 is 289341851.

158143982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158143987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391244 + ... + 391647.

It is an arithmetic number, because the mean of its divisors is an integer number (29945619).

Almost surely, 2^158143982 is an apocalyptic number.

158143982 is a deficient number, since it is larger than the sum of its proper divisors (81420970).

158143982 is a wasteful number, since it uses less digits than its factorization.

158143982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782994.

The product of its digits is 69120, while the sum is 41.

The square root of 158143982 is about 12575.5310822247. The cubic root of 158143982 is about 540.7761837508.

The spelling of 158143982 in words is "one hundred fifty-eight million, one hundred forty-three thousand, nine hundred eighty-two".