445730572 has 24 divisors (see below), whose sum is σ = 892120320. Its totient is φ = 190886160.

The previous prime is 445730567. The next prime is 445730573. The reversal of 445730572 is 275037544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445730573) 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 7 ways as a sum of consecutive naturals, for example, 38547 + ... + 48757.

It is an arithmetic number, because the mean of its divisors is an integer number (37171680).

Almost surely, 2^445730572 is an apocalyptic number.

It is an amenable number.

445730572 is an abundant number, since it is smaller than the sum of its proper divisors (446389748).

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

445730572 is a wasteful number, since it uses less digits than its factorization.

445730572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781 (or 11779 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 445730572 is about 21112.3322255027. The cubic root of 445730572 is about 763.8782437112.

The spelling of 445730572 in words is "four hundred forty-five million, seven hundred thirty thousand, five hundred seventy-two".