2140345045 has 8 divisors (see below), whose sum is σ = 2581862400. Its totient is φ = 1703310480.

The previous prime is 2140345001. The next prime is 2140345049. The reversal of 2140345045 is 5405430412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2140345045 - 2⁹ = 2140344533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140345049) 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, 1119645 + ... + 1121554.

It is an arithmetic number, because the mean of its divisors is an integer number (322732800).

Almost surely, 2^2140345045 is an apocalyptic number.

It is an amenable number.

2140345045 is a deficient number, since it is larger than the sum of its proper divisors (441517355).

2140345045 is a wasteful number, since it uses less digits than its factorization.

2140345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241395.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2140345045 is about 46263.8632736178. The cubic root of 2140345045 is about 1288.7279982057.

Adding to 2140345045 its reverse (5405430412), we get a palindrome (7545775457).

The spelling of 2140345045 in words is "two billion, one hundred forty million, three hundred forty-five thousand, forty-five".