saddling up blue route

Continue walking up Saddler Street. Opposite the Shakespeare pub is Saddlers restaurant.

a) What number Saddler Street is it? 

b) Circle the three special properties this number has:

Prime Even Odd Square Triangular

Hints:

Square numbers are: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, …

Prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, …

Even numbers are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, …

Triangular: 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, …