4545849600 has 648 divisors, whose sum is σ = 17529016960. Its totient is φ = 1164533760.

The previous prime is 4545849547. The next prime is 4545849601. The reversal of 4545849600 is 69485454.

4545849600 is a `hidden beast` number, since 4 + 5 + 4 + 584 + 9 + 60 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4545849601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 57542361 + ... + 57542439.

Almost surely, 2^4545849600 is an apocalyptic number.

4545849600 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 4545849600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8764508480).

4545849600 is an abundant number, since it is smaller than the sum of its proper divisors (12983167360).

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

4545849600 is an equidigital number, since it uses as much as digits as its factorization.

4545849600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 4545849600 is about 67422.9159855905. The cubic root of 4545849600 is about 1656.5518009894.

The spelling of 4545849600 in words is "four billion, five hundred forty-five million, eight hundred forty-nine thousand, six hundred".