2133845 has 16 divisors (see below), whose sum is σ = 2999808. Its totient is φ = 1426560.

The previous prime is 2133839. The next prime is 2133899. The reversal of 2133845 is 5483312.

It is not a de Polignac number, because 2133845 - 2⁸ = 2133589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

2^2133845 is an apocalyptic number.

It is an amenable number.

2133845 is a deficient number, since it is larger than the sum of its proper divisors (865963).

2133845 is a wasteful number, since it uses less digits than its factorization.

2133845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its digits is 2880, while the sum is 26.

The square root of 2133845 is about 1460.7686332887. The cubic root of 2133845 is about 128.7422089734.

The spelling of 2133845 in words is "two million, one hundred thirty-three thousand, eight hundred forty-five".