2149158 has 16 divisors (see below), whose sum is σ = 4689216. Its totient is φ = 651240.

The previous prime is 2149151. The next prime is 2149171. The reversal of 2149158 is 8519412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16216 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (293076).

2^2149158 is an apocalyptic number.

2149158 is an abundant number, since it is smaller than the sum of its proper divisors (2540058).

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

2149158 is a wasteful number, since it uses less digits than its factorization.

2149158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32579.

The product of its digits is 2880, while the sum is 30.

The square root of 2149158 is about 1466.0006821281. Note that the first 3 decimals coincide. The cubic root of 2149158 is about 129.0494372140.

The spelling of 2149158 in words is "two million, one hundred forty-nine thousand, one hundred fifty-eight".