2145684762 has 32 divisors (see below), whose sum is σ = 5134973760. Its totient is φ = 660210480.

The previous prime is 2145684727. The next prime is 2145684787. The reversal of 2145684762 is 2674865412.

2145684762 is a `hidden beast` number, since 2 + 14 + 568 + 4 + 76 + 2 = 666.

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, 1527564 + ... + 1528967.

It is an arithmetic number, because the mean of its divisors is an integer number (160467930).

Almost surely, 2^2145684762 is an apocalyptic number.

2145684762 is an abundant number, since it is smaller than the sum of its proper divisors (2989288998).

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

2145684762 is a wasteful number, since it uses less digits than its factorization.

2145684762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056555 (or 3056549 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2145684762 is about 46321.5366973074. The cubic root of 2145684762 is about 1289.7988112418.

The spelling of 2145684762 in words is "two billion, one hundred forty-five million, six hundred eighty-four thousand, seven hundred sixty-two".