445055871 has 32 divisors (see below), whose sum is σ = 664731648. Its totient is φ = 263013120.

The previous prime is 445055851. The next prime is 445055873. The reversal of 445055871 is 178550544.

It is not a de Polignac number, because 445055871 - 2¹⁰ = 445054847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445055873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164290 + ... + 166976.

It is an arithmetic number, because the mean of its divisors is an integer number (20772864).

Almost surely, 2^445055871 is an apocalyptic number.

445055871 is a deficient number, since it is larger than the sum of its proper divisors (219675777).

445055871 is a wasteful number, since it uses less digits than its factorization.

445055871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 445055871 is about 21096.3473378687. The cubic root of 445055871 is about 763.4926223561.

The spelling of 445055871 in words is "four hundred forty-five million, fifty-five thousand, eight hundred seventy-one".