4543143145 has 4 divisors (see below), whose sum is σ = 5451771780. Its totient is φ = 3634514512.

The previous prime is 4543143133. The next prime is 4543143151. The reversal of 4543143145 is 5413413454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3427048681 + 1116094464 = 58541^2 + 33408^2 .

It is a cyclic number.

It is not a de Polignac number, because 4543143145 - 2¹⁷ = 4543012073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4543143145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454314310 + ... + 454314319.

It is an arithmetic number, because the mean of its divisors is an integer number (1362942945).

Almost surely, 2^4543143145 is an apocalyptic number.

It is an amenable number.

4543143145 is a deficient number, since it is larger than the sum of its proper divisors (908628635).

4543143145 is an equidigital number, since it uses as much as digits as its factorization.

4543143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908628634.

The product of its digits is 57600, while the sum is 34.

The square root of 4543143145 is about 67402.8422620293. The cubic root of 4543143145 is about 1656.2229828843. Note that the first 3 decimals are identical.

Adding to 4543143145 its reverse (5413413454), we get a palindrome (9956556599).

The spelling of 4543143145 in words is "four billion, five hundred forty-three million, one hundred forty-three thousand, one hundred forty-five".