445355100481 has 4 divisors (see below), whose sum is σ = 449678936512. Its totient is φ = 441031264452.

The previous prime is 445355100457. The next prime is 445355100511. The reversal of 445355100481 is 184001553544.

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 445355100481 - 2¹⁹ = 445354576193 is a prime.

It is a super-2 number, since 2×445355100481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445355103481) 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, 2161917861 + ... + 2161918066.

It is an arithmetic number, because the mean of its divisors is an integer number (112419734128).

Almost surely, 2^445355100481 is an apocalyptic number.

It is an amenable number.

445355100481 is a deficient number, since it is larger than the sum of its proper divisors (4323836031).

445355100481 is a wasteful number, since it uses less digits than its factorization.

445355100481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323836030.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 445355100481 in words is "four hundred forty-five billion, three hundred fifty-five million, one hundred thousand, four hundred eighty-one".