445095981 has 12 divisors (see below), whose sum is σ = 701363520. Its totient is φ = 269755080.

The previous prime is 445095971. The next prime is 445096019. The reversal of 445095981 is 189590544.

445095981 is a `hidden beast` number, since 4 + 4 + 50 + 9 + 598 + 1 = 666.

It is not a de Polignac number, because 445095981 - 2¹¹ = 445093933 is a prime.

It is a super-2 number, since 2×445095981² = 396220864604704722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445095971) 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 11 ways as a sum of consecutive naturals, for example, 2247861 + ... + 2248058.

It is an arithmetic number, because the mean of its divisors is an integer number (58446960).

Almost surely, 2^445095981 is an apocalyptic number.

It is an amenable number.

445095981 is a deficient number, since it is larger than the sum of its proper divisors (256267539).

445095981 is a wasteful number, since it uses less digits than its factorization.

445095981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495936 (or 4495933 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 445095981 is about 21097.2979549515. The cubic root of 445095981 is about 763.5155578803.

The spelling of 445095981 in words is "four hundred forty-five million, ninety-five thousand, nine hundred eighty-one".