2144521452 has 24 divisors (see below), whose sum is σ = 5110350336. Its totient is φ = 699630928.

The previous prime is 2144521447. The next prime is 2144521459. The reversal of 2144521452 is 2541254412.

It is not an unprimeable number, because it can be changed into a prime (2144521459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900608 + ... + 1901735.

It is an arithmetic number, because the mean of its divisors is an integer number (212931264).

Almost surely, 2^2144521452 is an apocalyptic number.

It is an amenable number.

2144521452 is an abundant number, since it is smaller than the sum of its proper divisors (2965828884).

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

2144521452 is a wasteful number, since it uses less digits than its factorization.

2144521452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802397 (or 3802395 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2144521452 is about 46308.9780928062. The cubic root of 2144521452 is about 1289.5656755511.

Adding to 2144521452 its reverse (2541254412), we get a palindrome (4685775864).

The spelling of 2144521452 in words is "two billion, one hundred forty-four million, five hundred twenty-one thousand, four hundred fifty-two".