445041732237081 has 48 divisors (see below), whose sum is σ = 720284644879488. Its totient is φ = 243251222860800.

The previous prime is 445041732237059. The next prime is 445041732237133. The reversal of 445041732237081 is 180732237140544.

It is a happy number.

It is not a de Polignac number, because 445041732237081 - 2¹³ = 445041732228889 is a prime.

It is a super-2 number, since 2×445041732237081² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445041732237031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 910194651 + ... + 910683471.

It is an arithmetic number, because the mean of its divisors is an integer number (15005930101656).

Almost surely, 2^{445041732237081} is an apocalyptic number.

It is an amenable number.

445041732237081 is a deficient number, since it is larger than the sum of its proper divisors (275242912642407).

445041732237081 is a wasteful number, since it uses less digits than its factorization.

445041732237081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758142 (or 758135 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 445041732237081 in words is "four hundred forty-five trillion, forty-one billion, seven hundred thirty-two million, two hundred thirty-seven thousand, eighty-one".