2144313252 has 18 divisors (see below), whose sum is σ = 5420347478. Its totient is φ = 714771072.

The previous prime is 2144313247. The next prime is 2144313263. The reversal of 2144313252 is 2523134412.

It can be written as a sum of positive squares in only one way, i.e., 1910039616 + 234273636 = 43704^2 + 15306^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29782093 + ... + 29782164.

Almost surely, 2^2144313252 is an apocalyptic number.

It is an amenable number.

2144313252 is an abundant number, since it is smaller than the sum of its proper divisors (3276034226).

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

2144313252 is a wasteful number, since it uses less digits than its factorization.

2144313252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59564267 (or 59564262 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2144313252 is about 46306.7300940155. The cubic root of 2144313252 is about 1289.5239418794.

Adding to 2144313252 its reverse (2523134412), we get a palindrome (4667447664).

The spelling of 2144313252 in words is "two billion, one hundred forty-four million, three hundred thirteen thousand, two hundred fifty-two".