445115000 has 80 divisors (see below), whose sum is σ = 1137854520. Its totient is φ = 161840000.

The previous prime is 445114981. The next prime is 445115003. The reversal of 445115000 is 511544.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445115003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50954 + ... + 59046.

Almost surely, 2^445115000 is an apocalyptic number.

445115000 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 445115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568927260).

445115000 is an abundant number, since it is smaller than the sum of its proper divisors (692739520).

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

445115000 is a wasteful number, since it uses less digits than its factorization.

445115000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8111 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 445115000 is about 21097.7486950622. The cubic root of 445115000 is about 763.5264327599.

Adding to 445115000 its reverse (511544), we get a palindrome (445626544).

The spelling of 445115000 in words is "four hundred forty-five million, one hundred fifteen thousand".