2545042443 has 8 divisors (see below), whose sum is σ = 3593001168. Its totient is φ = 1596889344.

The previous prime is 2545042441. The next prime is 2545042469. The reversal of 2545042443 is 3442405452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2545042443 - 2¹ = 2545042441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545042441) 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, 24951346 + ... + 24951447.

It is an arithmetic number, because the mean of its divisors is an integer number (449125146).

Almost surely, 2^2545042443 is an apocalyptic number.

2545042443 is a deficient number, since it is larger than the sum of its proper divisors (1047958725).

2545042443 is a wasteful number, since it uses less digits than its factorization.

2545042443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49902813.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 2545042443 is about 50448.4136817006. The cubic root of 2545042443 is about 1365.3112741257.

Adding to 2545042443 its reverse (3442405452), we get a palindrome (5987447895).

The spelling of 2545042443 in words is "two billion, five hundred forty-five million, forty-two thousand, four hundred forty-three".