445255288971 has 4 divisors (see below), whose sum is σ = 593673718632. Its totient is φ = 296836859312.

The previous prime is 445255288969. The next prime is 445255288987. The reversal of 445255288971 is 179882552544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445255288971 - 2¹ = 445255288969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445255288921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74209214826 + ... + 74209214831.

It is an arithmetic number, because the mean of its divisors is an integer number (148418429658).

Almost surely, 2^445255288971 is an apocalyptic number.

445255288971 is a deficient number, since it is larger than the sum of its proper divisors (148418429661).

445255288971 is a wasteful number, since it uses less digits than its factorization.

445255288971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148418429660.

The product of its digits is 32256000, while the sum is 60.

The spelling of 445255288971 in words is "four hundred forty-five billion, two hundred fifty-five million, two hundred eighty-eight thousand, nine hundred seventy-one".