158145 has 16 divisors (see below), whose sum is σ = 272832. Its totient is φ = 77760.

The previous prime is 158143. The next prime is 158161. The reversal of 158145 is 541851.

It is not a de Polignac number, because 158145 - 2¹ = 158143 is a prime.

It is a Curzon number.

158145 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158145.

It is not an unprimeable number, because it can be changed into a prime (158141) 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, 211 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (17052).

2¹⁵⁸¹⁴⁵ is an apocalyptic number.

158145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158145 is a deficient number, since it is larger than the sum of its proper divisors (114687).

158145 is a wasteful number, since it uses less digits than its factorization.

158145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 800, while the sum is 24.

The square root of 158145 is about 397.6744900041. The cubic root of 158145 is about 54.0777344105.

Adding to 158145 its reverse (541851), we get a palindrome (699996).

It can be divided in two parts, 158 and 145, that added together give a palindrome (303).

The spelling of 158145 in words is "one hundred fifty-eight thousand, one hundred forty-five".