2143234045 has 16 divisors (see below), whose sum is σ = 2619896832. Its totient is φ = 1682795520.

The previous prime is 2143234021. The next prime is 2143234057. The reversal of 2143234045 is 5404323412.

It is a happy number.

It is not a de Polignac number, because 2143234045 - 2¹⁹ = 2142709757 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 65629 + ... + 92701.

It is an arithmetic number, because the mean of its divisors is an integer number (163743552).

Almost surely, 2^2143234045 is an apocalyptic number.

It is an amenable number.

2143234045 is a deficient number, since it is larger than the sum of its proper divisors (476662787).

2143234045 is a wasteful number, since it uses less digits than its factorization.

2143234045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27372.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2143234045 is about 46295.0758180608. The cubic root of 2143234045 is about 1289.3075716269.

Adding to 2143234045 its reverse (5404323412), we get a palindrome (7547557457).

The spelling of 2143234045 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, forty-five".