445045860 has 192 divisors, whose sum is σ = 1651507200. Its totient is φ = 97282944.

The previous prime is 445045807. The next prime is 445045871. The reversal of 445045860 is 68540544.

445045860 is a `hidden beast` number, since 44 + 504 + 58 + 60 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84381 + ... + 89499.

It is an arithmetic number, because the mean of its divisors is an integer number (8601600).

Almost surely, 2^445045860 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 445045860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825753600).

445045860 is an abundant number, since it is smaller than the sum of its proper divisors (1206461340).

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

445045860 is a wasteful number, since it uses less digits than its factorization.

445045860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 445045860 is about 21096.1100679722. The cubic root of 445045860 is about 763.4868976951.

The spelling of 445045860 in words is "four hundred forty-five million, forty-five thousand, eight hundred sixty".