445765500 has 144 divisors (see below), whose sum is σ = 1489217184. Its totient is φ = 111859200.

The previous prime is 445765459. The next prime is 445765501. The reversal of 445765500 is 5567544.

It is a happy number.

445765500 is a `hidden beast` number, since 44 + 57 + 65 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445765501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73587 + ... + 79413.

It is an arithmetic number, because the mean of its divisors is an integer number (10341786).

Almost surely, 2^445765500 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 445765500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744608592).

445765500 is an abundant number, since it is smaller than the sum of its proper divisors (1043451684).

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

445765500 is a wasteful number, since it uses less digits than its factorization.

445765500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 445765500 is about 21113.1594035568. The cubic root of 445765500 is about 763.8981960054.

The spelling of 445765500 in words is "four hundred forty-five million, seven hundred sixty-five thousand, five hundred".