4543420545 has 32 divisors (see below), whose sum is σ = 8089718400. Its totient is φ = 2419399872.

The previous prime is 4543420507. The next prime is 4543420571. The reversal of 4543420545 is 5450243454.

It is not a de Polignac number, because 4543420545 - 2⁷ = 4543420417 is a prime.

It is a Curzon number.

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, 62386 + ... + 113924.

It is an arithmetic number, because the mean of its divisors is an integer number (252803700).

Almost surely, 2^4543420545 is an apocalyptic number.

4543420545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4543420545 is a deficient number, since it is larger than the sum of its proper divisors (3546297855).

4543420545 is a wasteful number, since it uses less digits than its factorization.

4543420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52206 (or 52200 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The square root of 4543420545 is about 67404.9000073437. The cubic root of 4543420545 is about 1656.2566913317.

Adding to 4543420545 its reverse (5450243454), we get a palindrome (9993663999).

The spelling of 4543420545 in words is "four billion, five hundred forty-three million, four hundred twenty thousand, five hundred forty-five".