2145833827 has 4 divisors (see below), whose sum is σ = 2151811440. Its totient is φ = 2139856216.

The previous prime is 2145833803. The next prime is 2145833861. The reversal of 2145833827 is 7283385412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145833827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145833867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988268 + ... + 2988985.

It is an arithmetic number, because the mean of its divisors is an integer number (537952860).

Almost surely, 2^2145833827 is an apocalyptic number.

2145833827 is a deficient number, since it is larger than the sum of its proper divisors (5977613).

2145833827 is an equidigital number, since it uses as much as digits as its factorization.

2145833827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977612.

The product of its digits is 322560, while the sum is 43.

The square root of 2145833827 is about 46323.1456941344. The cubic root of 2145833827 is about 1289.8286788488.

The spelling of 2145833827 in words is "two billion, one hundred forty-five million, eight hundred thirty-three thousand, eight hundred twenty-seven".