198224482145 has 8 divisors (see below), whose sum is σ = 241127863656. Its totient is φ = 156407262336.

The previous prime is 198224482109. The next prime is 198224482171. The reversal of 198224482145 is 541284422891.

198224482145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28371696721 + 169852785424 = 168439^2 + 412132^2 .

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 198224482145 - 2¹⁶ = 198224416609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198224482093 and 198224482102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271540022 + ... + 271540751.

It is an arithmetic number, because the mean of its divisors is an integer number (30140982957).

Almost surely, 2^198224482145 is an apocalyptic number.

It is an amenable number.

198224482145 is a deficient number, since it is larger than the sum of its proper divisors (42903381511).

198224482145 is an equidigital number, since it uses as much as digits as its factorization.

198224482145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543080851.

The product of its digits is 1474560, while the sum is 50.

The spelling of 198224482145 in words is "one hundred ninety-eight billion, two hundred twenty-four million, four hundred eighty-two thousand, one hundred forty-five".