Say the numbers: 1,245; 20,645; 45,288; 11,999

1,245 (one thousand two hundred and forty-five) [wʌn ˈθaʊzənd tuː ˈhʌndrəd ænd ˈfɔːti-faɪv];

20,645 (twenty thousand six hundred and forty-five) [ˈtwɛnti ˈθaʊzənd sɪks ˈhʌndrəd ænd ˈfɔːti-faɪv];

45,288 (forty-five thousand two hundred and eighty-eight) [ˈfɔːti-faɪv ˈθaʊzənd tuː ˈhʌndrəd ænd ˈeɪti-eɪt];

11,999 (eleven thousand nine hundred and ninety-nine) [ɪˈlɛvn ˈθaʊzənd naɪn ˈhʌndrəd ænd ˈnaɪnti-naɪn].