8422254060545 has 16 divisors (see below), whose sum is σ = 11149610632272. Its totient is φ = 6067815306240.

The previous prime is 8422254060541. The next prime is 8422254060617. The reversal of 8422254060545 is 5450604522248.

It is a Cunningham number, because it is equal to 2902112²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 5390239812721 + 3032014247824 = 2321689^2 + 1741268^2 .

It is not a de Polignac number, because 8422254060545 - 2² = 8422254060541 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 8422254060545.

It is not an unprimeable number, because it can be changed into a prime (8422254060541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580157572 + ... + 1580162901.

It is an arithmetic number, because the mean of its divisors is an integer number (696850664517).

Almost surely, 2^{8422254060545} is an apocalyptic number.

It is an amenable number.

8422254060545 is a deficient number, since it is larger than the sum of its proper divisors (2727356571727).

8422254060545 is a wasteful number, since it uses less digits than its factorization.

8422254060545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160320532.

The product of its (nonzero) digits is 3072000, while the sum is 47.

The spelling of 8422254060545 in words is "eight trillion, four hundred twenty-two billion, two hundred fifty-four million, sixty thousand, five hundred forty-five".