2143443302 has 64 divisors (see below), whose sum is σ = 4465843200. Its totient is φ = 744266880.

The previous prime is 2143443271. The next prime is 2143443307. The reversal of 2143443302 is 2033443412.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143443307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39599 + ... + 76517.

It is an arithmetic number, because the mean of its divisors is an integer number (69778800).

Almost surely, 2^2143443302 is an apocalyptic number.

2143443302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2143443302 is an abundant number, since it is smaller than the sum of its proper divisors (2322399898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143443302 is a wasteful number, since it uses less digits than its factorization.

2143443302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36981.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2143443302 is about 46297.3357980781. The cubic root of 2143443302 is about 1289.3495312463.

Adding to 2143443302 its reverse (2033443412), we get a palindrome (4176886714).

The spelling of 2143443302 in words is "two billion, one hundred forty-three million, four hundred forty-three thousand, three hundred two".