445645016 has 32 divisors (see below), whose sum is σ = 851061600. Its totient is φ = 218711040.

The previous prime is 445645003. The next prime is 445645043. The reversal of 445645016 is 610546544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452861 + ... + 453843.

It is an arithmetic number, because the mean of its divisors is an integer number (26595675).

Almost surely, 2^445645016 is an apocalyptic number.

It is an amenable number.

445645016 is a deficient number, since it is larger than the sum of its proper divisors (405416584).

445645016 is a wasteful number, since it uses less digits than its factorization.

445645016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 445645016 is about 21110.3059191476. The cubic root of 445645016 is about 763.8293662405.

The spelling of 445645016 in words is "four hundred forty-five million, six hundred forty-five thousand, sixteen".