845573426455 has 8 divisors (see below), whose sum is σ = 1014693137712. Its totient is φ = 676455390528.

The previous prime is 845573426447. The next prime is 845573426521. The reversal of 845573426455 is 554624375548.

It is a happy number.

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 845573426455 - 2³ = 845573426447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 845573426455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448052 + ... + 1946278.

It is an arithmetic number, because the mean of its divisors is an integer number (126836642214).

Almost surely, 2^845573426455 is an apocalyptic number.

845573426455 is a deficient number, since it is larger than the sum of its proper divisors (169119711257).

845573426455 is a wasteful number, since it uses less digits than its factorization.

845573426455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837665.

The product of its digits is 80640000, while the sum is 58.

The spelling of 845573426455 in words is "eight hundred forty-five billion, five hundred seventy-three million, four hundred twenty-six thousand, four hundred fifty-five".