162223565445 has 24 divisors (see below), whose sum is σ = 281237556600. Its totient is φ = 86503837056.

The previous prime is 162223565411. The next prime is 162223565447. The reversal of 162223565445 is 544565322261.

162223565445 is a `hidden beast` number, since 1 + 6 + 22 + 23 + 565 + 4 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19797334209 + 142426231236 = 140703^2 + 377394^2 .

It is not a de Polignac number, because 162223565445 - 2⁶ = 162223565381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 162223565445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162223565447) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 62850 + ... + 573059.

It is an arithmetic number, because the mean of its divisors is an integer number (11718231525).

Almost surely, 2^162223565445 is an apocalyptic number.

162223565445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162223565445 is a deficient number, since it is larger than the sum of its proper divisors (119013991155).

162223565445 is a wasteful number, since it uses less digits than its factorization.

162223565445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641589 (or 641586 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 162223565445 in words is "one hundred sixty-two billion, two hundred twenty-three million, five hundred sixty-five thousand, four hundred forty-five".