445455684 has 36 divisors (see below), whose sum is σ = 1185278640. Its totient is φ = 140670000.

The previous prime is 445455683. The next prime is 445455701. The reversal of 445455684 is 486554544.

It is a happy number.

445455684 is a `hidden beast` number, since 4 + 45 + 45 + 568 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (445455683) 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 11 ways as a sum of consecutive naturals, for example, 324942 + ... + 326309.

Almost surely, 2^445455684 is an apocalyptic number.

It is an amenable number.

445455684 is an abundant number, since it is smaller than the sum of its proper divisors (739822956).

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

445455684 is a wasteful number, since it uses less digits than its factorization.

445455684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651280 (or 651275 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The square root of 445455684 is about 21105.8210927696. The cubic root of 445455684 is about 763.7211801122.

The spelling of 445455684 in words is "four hundred forty-five million, four hundred fifty-five thousand, six hundred eighty-four".