Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Constituency number | Name | Reserved for ( SC / ST /None) | District | Number of electorates (2009) |
| --- | --- | --- | --- | --- |
| 141 | Bhojpur | None | Raisen | 153987.0 |
| 142 | Sanchi | SC | Raisen | 174541.0 |
| 143 | Silwani | None | Raisen | 150563.0 |
| 144 | Vidisha | None | Vidisha | 148263.0 |
| 145 | Basoda | None | Vidisha | 138934.0 |
| 156 | Budhni | None | Sehore | 173917.0 |
| 158 | Ichhawar | None | Sehore | 146733.0 |
| 173 | Khategaon | None | Dewas | 147068.0 |
| Total: | Total: | Total: | Total: | 1234006.0 |
Question:
What was the highest number of 2009 electorates for Raisen when the consituency number was 142?
Answer:
174541.0