7158 has 8 divisors (see below), whose sum is σ = 14328. Its totient is φ = 2384.

The previous prime is 7151. The next prime is 7159. The reversal of 7158 is 8517.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

7158 is an admirable number.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7151) by changing a digit.

7158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (1791).

7158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7164).

7158 is a wasteful number, since it uses less digits than its factorization.

7158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its digits is 280, while the sum is 21.

The square root of 7158 is about 84.6049643933. The cubic root of 7158 is about 19.2721676375.

The spelling of 7158 in words is "seven thousand, one hundred fifty-eight".