445603512100 has 144 divisors (see below), whose sum is σ = 1055473070400. Its totient is φ = 162651525120.

The previous prime is 445603512097. The next prime is 445603512119. The reversal of 445603512100 is 1215306544.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7291471 + ... + 7352329.

It is an arithmetic number, because the mean of its divisors is an integer number (7329674100).

Almost surely, 2^445603512100 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 445603512100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527736535200).

445603512100 is an abundant number, since it is smaller than the sum of its proper divisors (609869558300).

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

445603512100 is a wasteful number, since it uses less digits than its factorization.

445603512100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61022 (or 61015 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 445603512100 its reverse (1215306544), we get a palindrome (446818818644).

The spelling of 445603512100 in words is "four hundred forty-five billion, six hundred three million, five hundred twelve thousand, one hundred".