158089 has 4 divisors (see below), whose sum is σ = 159300. Its totient is φ = 156880.

The previous prime is 158077. The next prime is 158113. The reversal of 158089 is 980851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57600 + 100489 = 240^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 158089 - 2¹¹ = 156041 is a prime.

It is a Duffinian number.

158089 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 158089.

It is not an unprimeable number, because it can be changed into a prime (158009) 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, 382 + ... + 679.

It is an arithmetic number, because the mean of its divisors is an integer number (39825).

2¹⁵⁸⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

158089 is a deficient number, since it is larger than the sum of its proper divisors (1211).

158089 is a wasteful number, since it uses less digits than its factorization.

158089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 158089 is about 397.6040744258. The cubic root of 158089 is about 54.0713505841.

The spelling of 158089 in words is "one hundred fifty-eight thousand, eighty-nine".