4545525220 has 48 divisors (see below), whose sum is σ = 9706515840. Its totient is φ = 1787664384.

The previous prime is 4545525181. The next prime is 4545525379. The reversal of 4545525220 is 225255454.

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 15 ways as a sum of consecutive naturals, for example, 770241 + ... + 776119.

It is an arithmetic number, because the mean of its divisors is an integer number (202219080).

Almost surely, 2^4545525220 is an apocalyptic number.

It is an amenable number.

4545525220 is an abundant number, since it is smaller than the sum of its proper divisors (5160990620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545525220 is a wasteful number, since it uses less digits than its factorization.

4545525220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532 (or 6530 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 4545525220 is about 67420.5103807439. The cubic root of 4545525220 is about 1656.5123976433.

The spelling of 4545525220 in words is "four billion, five hundred forty-five million, five hundred twenty-five thousand, two hundred twenty".