198576545 has 16 divisors (see below), whose sum is σ = 246551040. Its totient is φ = 153379200.

The previous prime is 198576523. The next prime is 198576569. The reversal of 198576545 is 545675891.

It is not a de Polignac number, because 198576545 - 2²⁴ = 181799329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198576493 and 198576502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79526 + ... + 81984.

It is an arithmetic number, because the mean of its divisors is an integer number (15409440).

Almost surely, 2^198576545 is an apocalyptic number.

It is an amenable number.

198576545 is a deficient number, since it is larger than the sum of its proper divisors (47974495).

198576545 is a wasteful number, since it uses less digits than its factorization.

198576545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016.

The product of its digits is 1512000, while the sum is 50.

The square root of 198576545 is about 14091.7190221775. The cubic root of 198576545 is about 583.4128405007.

The spelling of 198576545 in words is "one hundred ninety-eight million, five hundred seventy-six thousand, five hundred forty-five".