2146845 has 16 divisors (see below), whose sum is σ = 3637440. Its totient is φ = 1077504.

The previous prime is 2146817. The next prime is 2146847. The reversal of 2146845 is 5486412.

It is not a de Polignac number, because 2146845 - 2⁵ = 2146813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955 + ... + 4464.

It is an arithmetic number, because the mean of its divisors is an integer number (227340).

2^2146845 is an apocalyptic number.

It is an amenable number.

2146845 is a deficient number, since it is larger than the sum of its proper divisors (1490595).

2146845 is a wasteful number, since it uses less digits than its factorization.

2146845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444.

The product of its digits is 7680, while the sum is 30.

The square root of 2146845 is about 1465.2115888158. The cubic root of 2146845 is about 129.0031247365.

The spelling of 2146845 in words is "two million, one hundred forty-six thousand, eight hundred forty-five".