445306772 has 24 divisors (see below), whose sum is σ = 861005376. Its totient is φ = 200444288.

The previous prime is 445306711. The next prime is 445306853. The reversal of 445306772 is 277603544.

It is a super-4 number, since 4×445306772⁴ (a number of 36 digits) contains 4444 as substring.

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, 140798 + ... + 143925.

It is an arithmetic number, because the mean of its divisors is an integer number (35875224).

Almost surely, 2^445306772 is an apocalyptic number.

It is an amenable number.

445306772 is a deficient number, since it is larger than the sum of its proper divisors (415698604).

445306772 is a wasteful number, since it uses less digits than its factorization.

445306772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284767 (or 284765 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 445306772 is about 21102.2930507564. The cubic root of 445306772 is about 763.6360688225.

The spelling of 445306772 in words is "four hundred forty-five million, three hundred six thousand, seven hundred seventy-two".