Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Angle
LATHEOBJECT_ROTATEParameter: Subdivision
LATHEOBJECT_SUBParameter: Isoparm Subdivision
LATHEOBJECT_ISOPARMParameter: Movement
LATHEOBJECT_MOVEParameter: Scaling
LATHEOBJECT_SCALEParameter: Reverse Normals
LATHEOBJECT_FLIPNORMALS