4245531543 has 32 divisors (see below), whose sum is σ = 6867141120. Its totient is φ = 2570921280.

The previous prime is 4245531541. The next prime is 4245531547. The reversal of 4245531543 is 3451355424.

4245531543 is a `hidden beast` number, since 42 + 45 + 5 + 31 + 543 = 666.

It is not a de Polignac number, because 4245531543 - 2¹ = 4245531541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4245531498 and 4245531507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245531541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400771 + ... + 411227.

It is an arithmetic number, because the mean of its divisors is an integer number (214598160).

Almost surely, 2^4245531543 is an apocalyptic number.

4245531543 is a deficient number, since it is larger than the sum of its proper divisors (2621609577).

4245531543 is a wasteful number, since it uses less digits than its factorization.

4245531543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844 (or 11838 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 4245531543 is about 65157.7435382779. The cubic root of 4245531543 is about 1619.2380127022.

Adding to 4245531543 its reverse (3451355424), we get a palindrome (7696886967).

The spelling of 4245531543 in words is "four billion, two hundred forty-five million, five hundred thirty-one thousand, five hundred forty-three".