2145835 has 8 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 1692864.

The previous prime is 2145827. The next prime is 2145839. The reversal of 2145835 is 5385412.

2145835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2145835 - 2³ = 2145827 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2145839) 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 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 3304.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

2^2145835 is an apocalyptic number.

2145835 is a deficient number, since it is larger than the sum of its proper divisors (464885).

2145835 is an equidigital number, since it uses as much as digits as its factorization.

2145835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957.

The product of its digits is 4800, while the sum is 28.

The square root of 2145835 is about 1464.8668881506. The cubic root of 2145835 is about 128.9828913873.

The spelling of 2145835 in words is "two million, one hundred forty-five thousand, eight hundred thirty-five".