104022220145 has 4 divisors (see below), whose sum is σ = 124826664180. Its totient is φ = 83217776112.

The previous prime is 104022220139. The next prime is 104022220171. The reversal of 104022220145 is 541022220401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26386428721 + 77635791424 = 162439^2 + 278632^2 .

It is a cyclic number.

It is not a de Polignac number, because 104022220145 - 2¹⁶ = 104022154609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104022220145.

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 3 ways as a sum of consecutive naturals, for example, 10402222010 + ... + 10402222019.

It is an arithmetic number, because the mean of its divisors is an integer number (31206666045).

Almost surely, 2^104022220145 is an apocalyptic number.

It is an amenable number.

104022220145 is a deficient number, since it is larger than the sum of its proper divisors (20804444035).

104022220145 is an equidigital number, since it uses as much as digits as its factorization.

104022220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20804444034.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 104022220145 its reverse (541022220401), we get a palindrome (645044440546).

The spelling of 104022220145 in words is "one hundred four billion, twenty-two million, two hundred twenty thousand, one hundred forty-five".