198283145 has 16 divisors (see below), whose sum is σ = 250914240. Its totient is φ = 150007104.

The previous prime is 198283109. The next prime is 198283159. The reversal of 198283145 is 541382891.

It is a cyclic number.

It is not a de Polignac number, because 198283145 - 2⁶ = 198283081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62774 + ... + 65856.

It is an arithmetic number, because the mean of its divisors is an integer number (15682140).

Almost surely, 2^198283145 is an apocalyptic number.

It is an amenable number.

198283145 is a deficient number, since it is larger than the sum of its proper divisors (52631095).

198283145 is a wasteful number, since it uses less digits than its factorization.

198283145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784.

The product of its digits is 69120, while the sum is 41.

The square root of 198283145 is about 14081.3048045982. The cubic root of 198283145 is about 583.1253649575.

The spelling of 198283145 in words is "one hundred ninety-eight million, two hundred eighty-three thousand, one hundred forty-five".