445534522453321 has 8 divisors (see below), whose sum is σ = 509649022943424. Its totient is φ = 381536699855280.

The previous prime is 445534522453261. The next prime is 445534522453337. The reversal of 445534522453321 is 123354225435544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445534522453321 - 2³¹ = 445532374969673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445534522453351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29169464830 + ... + 29169480103.

It is an arithmetic number, because the mean of its divisors is an integer number (63706127867928).

Almost surely, 2^{445534522453321} is an apocalyptic number.

It is an amenable number.

445534522453321 is a deficient number, since it is larger than the sum of its proper divisors (64114500490103).

445534522453321 is a wasteful number, since it uses less digits than its factorization.

445534522453321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58338946031.

The product of its digits is 34560000, while the sum is 52.

Adding to 445534522453321 its reverse (123354225435544), we get a palindrome (568888747888865).

The spelling of 445534522453321 in words is "four hundred forty-five trillion, five hundred thirty-four billion, five hundred twenty-two million, four hundred fifty-three thousand, three hundred twenty-one".