2543142244 has 12 divisors (see below), whose sum is σ = 4504119984. Its totient is φ = 1256250824.

The previous prime is 2543142241. The next prime is 2543142253. The reversal of 2543142244 is 4422413452.

It is not an unprimeable number, because it can be changed into a prime (2543142241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829702 + ... + 3830365.

It is an arithmetic number, because the mean of its divisors is an integer number (375343332).

Almost surely, 2^2543142244 is an apocalyptic number.

It is an amenable number.

2543142244 is a deficient number, since it is larger than the sum of its proper divisors (1960977740).

2543142244 is a wasteful number, since it uses less digits than its factorization.

2543142244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660154 (or 7660152 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 2543142244 is about 50429.5770753632. The cubic root of 2543142244 is about 1364.9713964854.

Adding to 2543142244 its reverse (4422413452), we get a palindrome (6965555696).

The spelling of 2543142244 in words is "two billion, five hundred forty-three million, one hundred forty-two thousand, two hundred forty-four".