2161148 has 12 divisors (see below), whose sum is σ = 4125912. Its totient is φ = 982320.

The previous prime is 2161141. The next prime is 2161157. The reversal of 2161148 is 8411612.

2161148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24515 + ... + 24602.

It is an arithmetic number, because the mean of its divisors is an integer number (343826).

2^2161148 is an apocalyptic number.

It is an amenable number.

2161148 is a deficient number, since it is larger than the sum of its proper divisors (1964764).

2161148 is a wasteful number, since it uses less digits than its factorization.

2161148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49132 (or 49130 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 2161148 is about 1470.0843513214. The cubic root of 2161148 is about 129.2889781888.

The spelling of 2161148 in words is "two million, one hundred sixty-one thousand, one hundred forty-eight".