2544562545 has 32 divisors (see below), whose sum is σ = 4654817280. Its totient is φ = 1162752960.

The previous prime is 2544562529. The next prime is 2544562577. The reversal of 2544562545 is 5452654452.

It is a happy number.

It is not a de Polignac number, because 2544562545 - 2⁴ = 2544562529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2544562497 and 2544562506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458296 + ... + 463814.

It is an arithmetic number, because the mean of its divisors is an integer number (145463040).

Almost surely, 2^2544562545 is an apocalyptic number.

It is an amenable number.

2544562545 is a deficient number, since it is larger than the sum of its proper divisors (2110254735).

2544562545 is a wasteful number, since it uses less digits than its factorization.

2544562545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925.

The product of its digits is 960000, while the sum is 42.

The square root of 2544562545 is about 50443.6571334791. The cubic root of 2544562545 is about 1365.2254535089.

It can be divided in two parts, 25445 and 62545, that added together give a triangular number (87990 = T₄₁₉).

The spelling of 2544562545 in words is "two billion, five hundred forty-four million, five hundred sixty-two thousand, five hundred forty-five".