153 (one hundred fifty-three) is a number. It comes after 152 and before 154. It is known for several interesting reasons.
Special properties
- Armstrong (Narcissistic) number: 153 is equal to the sum of the cubes of its digits. That is: 1^3+5^3+3^3=153
- Triangular number: 153 is the 17th triangular number. This means
1+2+3+⋯+17=153.
- Harshad number: 153 is divisible by the sum of its digits. Since 1+5+3=9, and 153÷9=17, it is a Harshad number.
In the Bible
In the Christian Bible, the Gospel of John (John 21:11) mentions 153 fish caught by Jesus’s disciples. This story has led to many ideas about the meaning of the number 153 in Christian writings.
