445085271 has 6 divisors (see below), whose sum is σ = 642900960. Its totient is φ = 296723508.

The previous prime is 445085269. The next prime is 445085273. The reversal of 445085271 is 172580544.

It is an interprime number because it is at equal distance from previous prime (445085269) and next prime (445085273).

It is not a de Polignac number, because 445085271 - 2¹ = 445085269 is a prime.

It is a super-2 number, since 2×445085271² = 396201796922286882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445085273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24726951 + ... + 24726968.

It is an arithmetic number, because the mean of its divisors is an integer number (107150160).

Almost surely, 2^445085271 is an apocalyptic number.

445085271 is a deficient number, since it is larger than the sum of its proper divisors (197815689).

445085271 is a wasteful number, since it uses less digits than its factorization.

445085271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49453925 (or 49453922 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 445085271 is about 21097.0441294509. The cubic root of 445085271 is about 763.5094338700.

The spelling of 445085271 in words is "four hundred forty-five million, eighty-five thousand, two hundred seventy-one".