445000332 has 96 divisors (see below), whose sum is σ = 1237508608. Its totient is φ = 121803264.

The previous prime is 445000321. The next prime is 445000351. The reversal of 445000332 is 233000544.

It is a happy number.

It is a super-2 number, since 2×445000332² = 396050590960220448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 445000299 and 445000308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207168 + ... + 209304.

Almost surely, 2^445000332 is an apocalyptic number.

445000332 is a gapful number since it is divisible by the number (42) 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 445000332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618754304).

445000332 is an abundant number, since it is smaller than the sum of its proper divisors (792508276).

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

445000332 is a wasteful number, since it uses less digits than its factorization.

445000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 445000332 is about 21095.0309788822. The cubic root of 445000332 is about 763.4608620136.

Adding to 445000332 its reverse (233000544), we get a palindrome (678000876).

The spelling of 445000332 in words is "four hundred forty-five million, three hundred thirty-two", and thus it is an aban number.