4543172645 has 16 divisors (see below), whose sum is σ = 5949296640. Its totient is φ = 3303086400.

The previous prime is 4543172629. The next prime is 4543172653. The reversal of 4543172645 is 5462713454.

4543172645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4543172645 - 2⁴ = 4543172629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192860 + ... + 215130.

It is an arithmetic number, because the mean of its divisors is an integer number (371831040).

Almost surely, 2^4543172645 is an apocalyptic number.

It is an amenable number.

4543172645 is a deficient number, since it is larger than the sum of its proper divisors (1406123995).

4543172645 is a wasteful number, since it uses less digits than its factorization.

4543172645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25996.

The product of its digits is 403200, while the sum is 41.

The square root of 4543172645 is about 67403.0610951758. The cubic root of 4543172645 is about 1656.2265676618.

The spelling of 4543172645 in words is "four billion, five hundred forty-three million, one hundred seventy-two thousand, six hundred forty-five".