2145012210 has 48 divisors (see below), whose sum is σ = 6084037440. Its totient is φ = 520002720.

The previous prime is 2145012197. The next prime is 2145012241. The reversal of 2145012210 is 122105412.

2145012210 is a `hidden beast` number, since 2 + 1 + 450 + 1 + 2 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082350 + ... + 1084329.

It is an arithmetic number, because the mean of its divisors is an integer number (126750780).

Almost surely, 2^2145012210 is an apocalyptic number.

2145012210 is an abundant number, since it is smaller than the sum of its proper divisors (3939025230).

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

2145012210 is a wasteful number, since it uses less digits than its factorization.

2145012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166703 (or 2166700 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2145012210 is about 46314.2765246311. The cubic root of 2145012210 is about 1289.6640372628.

Adding to 2145012210 its reverse (122105412), we get a palindrome (2267117622).

The spelling of 2145012210 in words is "two billion, one hundred forty-five million, twelve thousand, two hundred ten".