158382289 has 8 divisors (see below), whose sum is σ = 170797032. Its totient is φ = 146000640.

The previous prime is 158382283. The next prime is 158382293. The reversal of 158382289 is 982283851.

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 158382225 = 8^2 + 12585^2 .

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 158382289 - 2¹¹ = 158380241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158382283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 17929.

It is an arithmetic number, because the mean of its divisors is an integer number (21349629).

Almost surely, 2^158382289 is an apocalyptic number.

It is an amenable number.

158382289 is a deficient number, since it is larger than the sum of its proper divisors (12414743).

158382289 is a wasteful number, since it uses less digits than its factorization.

158382289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16547.

The product of its digits is 276480, while the sum is 46.

The square root of 158382289 is about 12585.0025427093. The cubic root of 158382289 is about 541.0476791118.

The spelling of 158382289 in words is "one hundred fifty-eight million, three hundred eighty-two thousand, two hundred eighty-nine".