4545317885 has 4 divisors (see below), whose sum is σ = 5454381468. Its totient is φ = 3636254304.

The previous prime is 4545317879. The next prime is 4545317927. The reversal of 4545317885 is 5887135454.

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 3542392324 + 1002925561 = 59518^2 + 31669^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545317885 - 2⁴ = 4545317869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454531784 + ... + 454531793.

It is an arithmetic number, because the mean of its divisors is an integer number (1363595367).

Almost surely, 2^4545317885 is an apocalyptic number.

It is an amenable number.

4545317885 is a deficient number, since it is larger than the sum of its proper divisors (909063583).

4545317885 is an equidigital number, since it uses as much as digits as its factorization.

4545317885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909063582.

The product of its digits is 2688000, while the sum is 50.

The square root of 4545317885 is about 67418.9727376500. The cubic root of 4545317885 is about 1656.4872110987.

The spelling of 4545317885 in words is "four billion, five hundred forty-five million, three hundred seventeen thousand, eight hundred eighty-five".