2145285306 has 24 divisors (see below), whose sum is σ = 4713587424. Its totient is φ = 705022920.

The previous prime is 2145285283. The next prime is 2145285323. The reversal of 2145285306 is 6035825412.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838036 + ... + 840591.

It is an arithmetic number, because the mean of its divisors is an integer number (196399476).

Almost surely, 2^2145285306 is an apocalyptic number.

2145285306 is an abundant number, since it is smaller than the sum of its proper divisors (2568302118).

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

2145285306 is a wasteful number, since it uses less digits than its factorization.

2145285306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678706 (or 1678703 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2145285306 is about 46317.2247225587. The cubic root of 2145285306 is about 1289.7187668882.

The spelling of 2145285306 in words is "two billion, one hundred forty-five million, two hundred eighty-five thousand, three hundred six".