2845128 has 64 divisors (see below), whose sum is σ = 8366400. Its totient is φ = 794880.

The previous prime is 2845127. The next prime is 2845133. The reversal of 2845128 is 8215482.

2845128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2845095 and 2845104.

It is not an unprimeable number, because it can be changed into a prime (2845127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018 + ... + 3846.

It is an arithmetic number, because the mean of its divisors is an integer number (130725).

2^2845128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2845128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4183200).

2845128 is an abundant number, since it is smaller than the sum of its proper divisors (5521272).

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

2845128 is a wasteful number, since it uses less digits than its factorization.

2845128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2845128 is about 1686.7507225432. The cubic root of 2845128 is about 141.6991580992.

The spelling of 2845128 in words is "two million, eight hundred forty-five thousand, one hundred twenty-eight".