2144542332 has 24 divisors (see below), whose sum is σ = 5006386000. Its totient is φ = 714496896.

The previous prime is 2144542319. The next prime is 2144542343. The reversal of 2144542332 is 2332454412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144542332.

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, 17707 + ... + 67842.

Almost surely, 2^2144542332 is an apocalyptic number.

It is an amenable number.

2144542332 is an abundant number, since it is smaller than the sum of its proper divisors (2861843668).

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

2144542332 is a wasteful number, since it uses less digits than its factorization.

2144542332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87645 (or 87643 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 2144542332 is about 46309.2035345027. The cubic root of 2144542332 is about 1289.5698607963.

Adding to 2144542332 its reverse (2332454412), we get a palindrome (4476996744).

The spelling of 2144542332 in words is "two billion, one hundred forty-four million, five hundred forty-two thousand, three hundred thirty-two".