2145867286 has 16 divisors (see below), whose sum is σ = 3281269824. Its totient is φ = 1052132224.

The previous prime is 2145867263. The next prime is 2145867287. The reversal of 2145867286 is 6827685412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145867287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255246 + ... + 263518.

It is an arithmetic number, because the mean of its divisors is an integer number (205079364).

Almost surely, 2^2145867286 is an apocalyptic number.

2145867286 is a deficient number, since it is larger than the sum of its proper divisors (1135402538).

2145867286 is a wasteful number, since it uses less digits than its factorization.

2145867286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775.

The product of its digits is 1290240, while the sum is 49.

The square root of 2145867286 is about 46323.5068404800. The cubic root of 2145867286 is about 1289.8353827158.

The spelling of 2145867286 in words is "two billion, one hundred forty-five million, eight hundred sixty-seven thousand, two hundred eighty-six".