445246081 has 16 divisors (see below), whose sum is σ = 513141760. Its totient is φ = 378438480.

The previous prime is 445246069. The next prime is 445246093. The reversal of 445246081 is 180642544.

It is an interprime number because it is at equal distance from previous prime (445246069) and next prime (445246093).

It is not a de Polignac number, because 445246081 - 2⁷ = 445245953 is a prime.

It is a super-2 number, since 2×445246081² = 396488145291717122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445243081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718990 + ... + 719608.

It is an arithmetic number, because the mean of its divisors is an integer number (32071360).

Almost surely, 2^445246081 is an apocalyptic number.

It is an amenable number.

445246081 is a deficient number, since it is larger than the sum of its proper divisors (67895679).

445246081 is a wasteful number, since it uses less digits than its factorization.

445246081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 445246081 is about 21100.8549826778. The cubic root of 445246081 is about 763.6013751796.

It can be divided in two parts, 44524 and 6081, that added together give a palindrome (50605).

The spelling of 445246081 in words is "four hundred forty-five million, two hundred forty-six thousand, eighty-one".