4545455120 has 80 divisors (see below), whose sum is σ = 11138662080. Its totient is φ = 1720281600.

The previous prime is 4545455039. The next prime is 4545455179. The reversal of 4545455120 is 215545454.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4545455120² = 41322324495868428800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656950 + ... + 1659690.

It is an arithmetic number, because the mean of its divisors is an integer number (139233276).

Almost surely, 2^4545455120 is an apocalyptic number.

4545455120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545455120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569331040).

4545455120 is an abundant number, since it is smaller than the sum of its proper divisors (6593206960).

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

4545455120 is a wasteful number, since it uses less digits than its factorization.

4545455120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 4545455120 is about 67419.9905072672. The cubic root of 4545455120 is about 1656.5038821538.

The spelling of 4545455120 in words is "four billion, five hundred forty-five million, four hundred fifty-five thousand, one hundred twenty".