158340982 has 8 divisors (see below), whose sum is σ = 243930816. Its totient is φ = 77030712.

The previous prime is 158340961. The next prime is 158340983. The reversal of 158340982 is 289043851.

158340982 is digitally balanced in base 2, 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 (158340983) 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, 1069798 + ... + 1069945.

It is an arithmetic number, because the mean of its divisors is an integer number (30491352).

Almost surely, 2^158340982 is an apocalyptic number.

158340982 is a deficient number, since it is larger than the sum of its proper divisors (85589834).

158340982 is a wasteful number, since it uses less digits than its factorization.

158340982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139782.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 158340982 is about 12583.3613156422. The cubic root of 158340982 is about 541.0006389201. Note that the first 3 decimals are identical.

The spelling of 158340982 in words is "one hundred fifty-eight million, three hundred forty thousand, nine hundred eighty-two".