445497845 has 32 divisors (see below), whose sum is σ = 620188800. Its totient is φ = 304383744.

The previous prime is 445497821. The next prime is 445497851. The reversal of 445497845 is 548794544.

It is a cyclic number.

It is not a de Polignac number, because 445497845 - 2⁶ = 445497781 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 445497793 and 445497802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48911 + ... + 57299.

It is an arithmetic number, because the mean of its divisors is an integer number (19380900).

Almost surely, 2^445497845 is an apocalyptic number.

It is an amenable number.

445497845 is a deficient number, since it is larger than the sum of its proper divisors (174690955).

445497845 is a wasteful number, since it uses less digits than its factorization.

445497845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469.

The product of its digits is 3225600, while the sum is 50.

The square root of 445497845 is about 21106.8198694166. The cubic root of 445497845 is about 763.7452739664.

The spelling of 445497845 in words is "four hundred forty-five million, four hundred ninety-seven thousand, eight hundred forty-five".