158342389 has 8 divisors (see below), whose sum is σ = 166929408. Its totient is φ = 149972880.

The previous prime is 158342357. The next prime is 158342413. The reversal of 158342389 is 983243851.

158342389 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 cyclic number.

It is not a de Polignac number, because 158342389 - 2⁵ = 158342357 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 (158342309) 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, 52882 + ... + 55795.

It is an arithmetic number, because the mean of its divisors is an integer number (20866176).

Almost surely, 2^158342389 is an apocalyptic number.

It is an amenable number.

158342389 is a deficient number, since it is larger than the sum of its proper divisors (8587019).

158342389 is a wasteful number, since it uses less digits than its factorization.

158342389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108755.

The product of its digits is 207360, while the sum is 43.

The square root of 158342389 is about 12583.4172226784. The cubic root of 158342389 is about 541.0022413388.

The spelling of 158342389 in words is "one hundred fifty-eight million, three hundred forty-two thousand, three hundred eighty-nine".