445226754091 has 4 divisors (see below), whose sum is σ = 508830576112. Its totient is φ = 381622932072.

The previous prime is 445226754041. The next prime is 445226754151. The reversal of 445226754091 is 190457622544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445226754091 - 2¹⁵ = 445226721323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445226754001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31801911000 + ... + 31801911013.

It is an arithmetic number, because the mean of its divisors is an integer number (127207644028).

Almost surely, 2^445226754091 is an apocalyptic number.

445226754091 is a deficient number, since it is larger than the sum of its proper divisors (63603822021).

445226754091 is an equidigital number, since it uses as much as digits as its factorization.

445226754091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63603822020.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 445226754091 in words is "four hundred forty-five billion, two hundred twenty-six million, seven hundred fifty-four thousand, ninety-one".