445215334441 has 4 divisors (see below), whose sum is σ = 455569179472. Its totient is φ = 434861489412.

The previous prime is 445215334433. The next prime is 445215334463. The reversal of 445215334441 is 144433512544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445215334441 - 2³ = 445215334433 is a prime.

It is a super-2 number, since 2×445215334441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445215334394 and 445215334403.

It is not an unprimeable number, because it can be changed into a prime (445215334241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5176922451 + ... + 5176922536.

It is an arithmetic number, because the mean of its divisors is an integer number (113892294868).

Almost surely, 2^445215334441 is an apocalyptic number.

It is an amenable number.

445215334441 is a deficient number, since it is larger than the sum of its proper divisors (10353845031).

445215334441 is a wasteful number, since it uses less digits than its factorization.

445215334441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10353845030.

The product of its digits is 460800, while the sum is 40.

Adding to 445215334441 its reverse (144433512544), we get a palindrome (589648846985).

The spelling of 445215334441 in words is "four hundred forty-five billion, two hundred fifteen million, three hundred thirty-four thousand, four hundred forty-one".