445285000 has 40 divisors (see below), whose sum is σ = 1043314470. Its totient is φ = 178112000.

The previous prime is 445284989. The next prime is 445285013. The reversal of 445285000 is 582544.

It can be written as a sum of positive squares in 5 ways, for example, as 7387524 + 437897476 = 2718^2 + 20926^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 445285000.

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, 39529 + ... + 49528.

Almost surely, 2^445285000 is an apocalyptic number.

445285000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445285000 is an abundant number, since it is smaller than the sum of its proper divisors (598029470).

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

445285000 is an equidigital number, since it uses as much as digits as its factorization.

445285000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89083 (or 89064 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 445285000 is about 21101.7771763423. Note that the first 3 decimals coincide. The cubic root of 445285000 is about 763.6236233530.

The spelling of 445285000 in words is "four hundred forty-five million, two hundred eighty-five thousand".