158144 has 28 divisors (see below), whose sum is σ = 359664. Its totient is φ = 67584.

The previous prime is 158143. The next prime is 158161. The reversal of 158144 is 441851.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 624.

2¹⁵⁸¹⁴⁴ is an apocalyptic number.

158144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179832).

158144 is an abundant number, since it is smaller than the sum of its proper divisors (201520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158144 is an equidigital number, since it uses as much as digits as its factorization.

158144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 362 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 158144 is about 397.6732326924. The cubic root of 158144 is about 54.0776204268.

Adding to 158144 its reverse (441851), we get a palindrome (599995).

The spelling of 158144 in words is "one hundred fifty-eight thousand, one hundred forty-four".