2143045371 has 16 divisors (see below), whose sum is σ = 2908459008. Its totient is φ = 1403388000.

The previous prime is 2143045337. The next prime is 2143045409. The reversal of 2143045371 is 1735403412.

It is a happy number.

It is not a de Polignac number, because 2143045371 - 2¹⁹ = 2142521083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143045871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10636 + ... + 66326.

It is an arithmetic number, because the mean of its divisors is an integer number (181778688).

Almost surely, 2^2143045371 is an apocalyptic number.

2143045371 is a deficient number, since it is larger than the sum of its proper divisors (765413637).

2143045371 is a wasteful number, since it uses less digits than its factorization.

2143045371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55922.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2143045371 is about 46293.0380402928. The cubic root of 2143045371 is about 1289.2697369108.

Adding to 2143045371 its reverse (1735403412), we get a palindrome (3878448783).

The spelling of 2143045371 in words is "two billion, one hundred forty-three million, forty-five thousand, three hundred seventy-one".