2143045372 has 24 divisors (see below), whose sum is σ = 4040971200. Its totient is φ = 988570176.

The previous prime is 2143045337. The next prime is 2143045409. The reversal of 2143045372 is 2735403412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97629 + ... + 117547.

It is an arithmetic number, because the mean of its divisors is an integer number (168373800).

Almost surely, 2^2143045372 is an apocalyptic number.

It is an amenable number.

2143045372 is a deficient number, since it is larger than the sum of its proper divisors (1897925828).

2143045372 is a wasteful number, since it uses less digits than its factorization.

2143045372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22005 (or 22003 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2143045372 is about 46293.0380510936. The cubic root of 2143045372 is about 1289.2697371113.

Adding to 2143045372 its reverse (2735403412), we get a palindrome (4878448784).

The spelling of 2143045372 in words is "two billion, one hundred forty-three million, forty-five thousand, three hundred seventy-two".