445659852 has 48 divisors (see below), whose sum is σ = 1139854464. Its totient is φ = 134400000.

The previous prime is 445659847. The next prime is 445659853. The reversal of 445659852 is 258956544.

It is a super-2 number, since 2×445659852² = 397225407369323808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445659853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19852 + ... + 35852.

It is an arithmetic number, because the mean of its divisors is an integer number (23746968).

Almost surely, 2^445659852 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 445659852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569927232).

445659852 is an abundant number, since it is smaller than the sum of its proper divisors (694194612).

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

445659852 is a wasteful number, since it uses less digits than its factorization.

445659852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230 (or 16228 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The square root of 445659852 is about 21110.6573085728. The cubic root of 445659852 is about 763.8378423791.

The spelling of 445659852 in words is "four hundred forty-five million, six hundred fifty-nine thousand, eight hundred fifty-two".