4545882456 has 64 divisors (see below), whose sum is σ = 11714630880. Its totient is φ = 1468938240.

The previous prime is 4545882431. The next prime is 4545882457. The reversal of 4545882456 is 6542885454.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4545882399 and 4545882408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545882457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236736 + ... + 255216.

Almost surely, 2^4545882456 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 4545882456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5857315440).

4545882456 is an abundant number, since it is smaller than the sum of its proper divisors (7168748424).

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

4545882456 is a wasteful number, since it uses less digits than its factorization.

4545882456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804 (or 18800 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 51.

The square root of 4545882456 is about 67423.1596411797. The cubic root of 4545882456 is about 1656.5557919950. Note that the first 3 decimals are identical.

The spelling of 4545882456 in words is "four billion, five hundred forty-five million, eight hundred eighty-two thousand, four hundred fifty-six".