445628545 has 8 divisors (see below), whose sum is σ = 535245696. Its totient is φ = 356175216.

The previous prime is 445628537. The next prime is 445628563. The reversal of 445628545 is 545826544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445628545 - 2³ = 445628537 is a prime.

It is a Duffinian 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, 34887 + ... + 45916.

It is an arithmetic number, because the mean of its divisors is an integer number (66905712).

Almost surely, 2^445628545 is an apocalyptic number.

It is an amenable number.

445628545 is a deficient number, since it is larger than the sum of its proper divisors (89617151).

445628545 is a wasteful number, since it uses less digits than its factorization.

445628545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81911.

The product of its digits is 768000, while the sum is 43.

The square root of 445628545 is about 21109.9157980320. The cubic root of 445628545 is about 763.8199557695.

The spelling of 445628545 in words is "four hundred forty-five million, six hundred twenty-eight thousand, five hundred forty-five".