2158148 has 12 divisors (see below), whose sum is σ = 3790332. Its totient is φ = 1075200.

The previous prime is 2158147. The next prime is 2158157. The reversal of 2158148 is 8418512.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 565504 = 1262^2 + 752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2158148.

It is not an unprimeable number, because it can be changed into a prime (2158147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (315861).

2^2158148 is an apocalyptic number.

It is an amenable number.

2158148 is a deficient number, since it is larger than the sum of its proper divisors (1632184).

2158148 is a wasteful number, since it uses less digits than its factorization.

2158148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1940 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 2158148 is about 1469.0636473618. The cubic root of 2158148 is about 129.2291262728.

The spelling of 2158148 in words is "two million, one hundred fifty-eight thousand, one hundred forty-eight".