There is a five-digit number, the number in the tens place is 4, the number in the hundreds place is 6, the sum of any three adjacent numbers is 15, what is the five-digit number?
有一个五位数，十位上数字是4，百位上数字是6，任意相邻三个数字和是15，这个五位数是多少．
<result>45_645</result>