49158 has 12 divisors (see below), whose sum is σ = 106548. Its totient is φ = 16380.

The previous prime is 49157. The next prime is 49169. The reversal of 49158 is 85194.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1348 + ... + 1383.

It is an arithmetic number, because the mean of its divisors is an integer number (8879).

2⁴⁹¹⁵⁸ is an apocalyptic number.

49158 is an abundant number, since it is smaller than the sum of its proper divisors (57390).

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

49158 is a wasteful number, since it uses less digits than its factorization.

49158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739 (or 2736 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 49158 is about 221.7160346028. The cubic root of 49158 is about 36.6323462144.

The spelling of 49158 in words is "forty-nine thousand, one hundred fifty-eight".