158042185 has 16 divisors (see below), whose sum is σ = 223736832. Its totient is φ = 104875200.

The previous prime is 158042161. The next prime is 158042189. The reversal of 158042185 is 581240851.

It is not a de Polignac number, because 158042185 - 2¹¹ = 158040137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158042185.

It is not an unprimeable number, because it can be changed into a prime (158042189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71746 + ... + 73915.

It is an arithmetic number, because the mean of its divisors is an integer number (13983552).

Almost surely, 2^158042185 is an apocalyptic number.

It is an amenable number.

158042185 is a deficient number, since it is larger than the sum of its proper divisors (65694647).

158042185 is a wasteful number, since it uses less digits than its factorization.

158042185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145704.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 158042185 is about 12571.4830071873. The cubic root of 158042185 is about 540.6601266227.

The spelling of 158042185 in words is "one hundred fifty-eight million, forty-two thousand, one hundred eighty-five".