445197441 has 16 divisors (see below), whose sum is σ = 639887360. Its totient is φ = 273697920.

The previous prime is 445197409. The next prime is 445197457. The reversal of 445197441 is 144791544.

It is not a de Polignac number, because 445197441 - 2⁵ = 445197409 is a prime.

It is a super-2 number, since 2×445197441² = 396401522945896962, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445197441.

It is not an unprimeable number, because it can be changed into a prime (445197461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38976 + ... + 49086.

It is an arithmetic number, because the mean of its divisors is an integer number (39992960).

Almost surely, 2^445197441 is an apocalyptic number.

It is an amenable number.

445197441 is a deficient number, since it is larger than the sum of its proper divisors (194689919).

445197441 is a wasteful number, since it uses less digits than its factorization.

445197441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11256.

The product of its digits is 80640, while the sum is 39.

The square root of 445197441 is about 21099.7023912661. The cubic root of 445197441 is about 763.5735681421.

The spelling of 445197441 in words is "four hundred forty-five million, one hundred ninety-seven thousand, four hundred forty-one".