565445000 has 40 divisors (see below), whose sum is σ = 1324849350. Its totient is φ = 226176000.

The previous prime is 565444937. The next prime is 565445029. The reversal of 565445000 is 544565.

It can be written as a sum of positive squares in 5 ways, for example, as 4418404 + 561026596 = 2102^2 + 23686^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51545 + ... + 61544.

Almost surely, 2^565445000 is an apocalyptic number.

565445000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

565445000 is an abundant number, since it is smaller than the sum of its proper divisors (759404350).

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

565445000 is a wasteful number, since it uses less digits than its factorization.

565445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113115 (or 113096 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 565445000 is about 23779.0874509515. The cubic root of 565445000 is about 826.9199239940.

Adding to 565445000 its reverse (544565), we get a palindrome (565989565).

The spelling of 565445000 in words is "five hundred sixty-five million, four hundred forty-five thousand".