4545001580544 has 288 divisors, whose sum is σ = 13630972511520. Its totient is φ = 1512998092800.

The previous prime is 4545001580531. The next prime is 4545001580641. The reversal of 4545001580544 is 4450851005454.

4545001580544 is a `hidden beast` number, since 4 + 5 + 4 + 50 + 0 + 1 + 58 + 0 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 4545001580544.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403599874 + ... + 403611134.

It is an arithmetic number, because the mean of its divisors is an integer number (47329765665).

Almost surely, 2^{4545001580544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545001580544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6815486255760).

4545001580544 is an abundant number, since it is smaller than the sum of its proper divisors (9085970930976).

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

4545001580544 is an equidigital number, since it uses as much as digits as its factorization.

4545001580544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12109 (or 12077 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 45.

Adding to 4545001580544 its reverse (4450851005454), we get a palindrome (8995852585998).

The spelling of 4545001580544 in words is "four trillion, five hundred forty-five billion, one million, five hundred eighty thousand, five hundred forty-four".