2543124145 has 16 divisors (see below), whose sum is σ = 3270504960. Its totient is φ = 1893443904.

The previous prime is 2543124139. The next prime is 2543124167. The reversal of 2543124145 is 5414213452.

It is not a de Polignac number, because 2543124145 - 2⁵ = 2543124113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294585 + ... + 303094.

It is an arithmetic number, because the mean of its divisors is an integer number (204406560).

Almost surely, 2^2543124145 is an apocalyptic number.

It is an amenable number.

2543124145 is a deficient number, since it is larger than the sum of its proper divisors (727380815).

2543124145 is a wasteful number, since it uses less digits than its factorization.

2543124145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597744.

The product of its digits is 19200, while the sum is 31.

The square root of 2543124145 is about 50429.3976267811. The cubic root of 2543124145 is about 1364.9681584078.

Adding to 2543124145 its reverse (5414213452), we get a palindrome (7957337597).

The spelling of 2543124145 in words is "two billion, five hundred forty-three million, one hundred twenty-four thousand, one hundred forty-five".