445115421046 has 4 divisors (see below), whose sum is σ = 667673131572. Its totient is φ = 222557710522.

The previous prime is 445115421041. The next prime is 445115421059. The reversal of 445115421046 is 640124511544.

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

It is a junction number, because it is equal to n+sod(n) for n = 445115420996 and 445115421014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445115421041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111278855260 + ... + 111278855263.

It is an arithmetic number, because the mean of its divisors is an integer number (166918282893).

Almost surely, 2^445115421046 is an apocalyptic number.

445115421046 is a deficient number, since it is larger than the sum of its proper divisors (222557710526).

445115421046 is a wasteful number, since it uses less digits than its factorization.

445115421046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222557710525.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 445115421046 in words is "four hundred forty-five billion, one hundred fifteen million, four hundred twenty-one thousand, forty-six".