4543454542 has 16 divisors (see below), whose sum is σ = 7440584832. Its totient is φ = 2063584120.

The previous prime is 4543454533. The next prime is 4543454543. The reversal of 4543454542 is 2454543454.

It is a junction number, because it is equal to n+sod(n) for n = 4543454495 and 4543454504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543454543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52258 + ... + 108709.

It is an arithmetic number, because the mean of its divisors is an integer number (465036552).

Almost surely, 2^4543454542 is an apocalyptic number.

4543454542 is a deficient number, since it is larger than the sum of its proper divisors (2897130290).

4543454542 is a wasteful number, since it uses less digits than its factorization.

4543454542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162263.

The product of its digits is 768000, while the sum is 40.

The square root of 4543454542 is about 67405.1521918021. The cubic root of 4543454542 is about 1656.2608224056.

Adding to 4543454542 its reverse (2454543454), we get a palindrome (6997997996).

The spelling of 4543454542 in words is "four billion, five hundred forty-three million, four hundred fifty-four thousand, five hundred forty-two".