|Cardinal||One hundred [and]|
It is a prime number. The next prime is 163 and the previous prime is 151, with which 157 comprises a sexy prime triplet. Taking the arithmetic mean of those primes yields 157, thus it is a balanced prime.
In base 10, 1572 is 24649. 1582 is 24964, which uses the same digits as the previous square. 157 is the largest known number with a square that relates in this way to the square of the next integer.
157 is a repdigit in base 12 (111).