2857145874 has 32 divisors (see below), whose sum is σ = 6244810560. Its totient is φ = 864268800.

The previous prime is 2857145869. The next prime is 2857145897. The reversal of 2857145874 is 4785417582.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487 + ... + 75594.

It is an arithmetic number, because the mean of its divisors is an integer number (195150330).

Almost surely, 2^2857145874 is an apocalyptic number.

2857145874 is an abundant number, since it is smaller than the sum of its proper divisors (3387664686).

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

2857145874 is a wasteful number, since it uses less digits than its factorization.

2857145874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76666.

The product of its digits is 2508800, while the sum is 51.

The square root of 2857145874 is about 53452.2766025920. The cubic root of 2857145874 is about 1418.9839114051.

The spelling of 2857145874 in words is "two billion, eight hundred fifty-seven million, one hundred forty-five thousand, eight hundred seventy-four".