2140201045 has 4 divisors (see below), whose sum is σ = 2568241260. Its totient is φ = 1712160832.

The previous prime is 2140201013. The next prime is 2140201051. The reversal of 2140201045 is 5401020412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258116356 + 1882084689 = 16066^2 + 43383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140201045 - 2⁵ = 2140201013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214020100 + ... + 214020109.

It is an arithmetic number, because the mean of its divisors is an integer number (642060315).

Almost surely, 2^2140201045 is an apocalyptic number.

It is an amenable number.

2140201045 is a deficient number, since it is larger than the sum of its proper divisors (428040215).

2140201045 is an equidigital number, since it uses as much as digits as its factorization.

2140201045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428040214.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2140201045 is about 46262.3069571763. The cubic root of 2140201045 is about 1288.6990961689.

Adding to 2140201045 its reverse (5401020412), we get a palindrome (7541221457).

The spelling of 2140201045 in words is "two billion, one hundred forty million, two hundred one thousand, forty-five".