445630548 has 48 divisors (see below), whose sum is σ = 1140156864. Its totient is φ = 134346240.

The previous prime is 445630463. The next prime is 445630567. The reversal of 445630548 is 845036544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17436 + ... + 34572.

It is an arithmetic number, because the mean of its divisors is an integer number (23753268).

Almost surely, 2^445630548 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 445630548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570078432).

445630548 is an abundant number, since it is smaller than the sum of its proper divisors (694526316).

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

445630548 is a wasteful number, since it uses less digits than its factorization.

445630548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352 (or 17350 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 445630548 is about 21109.9632401385. The cubic root of 445630548 is about 763.8211001674.

The spelling of 445630548 in words is "four hundred forty-five million, six hundred thirty thousand, five hundred forty-eight".