152 (one hundred [and] fifty-two) is the natural number following 151 and preceding 153.
In mathematics
152 is the sum of four consecutive primes (31 + 37 + 41 + 43). It is a nontotient since there is no integer with 152 coprimes below it.
152 is a refactorable number since it is divisible by the total number of divisors it has, and in base 10 it is divisible by the sum of its digits, making it a Harshad number.
The smallest repunit probable prime in base 152 was found in June 2015, it has 589570 digits.[1]
The number of surface points on a 6*6*6 cube is 152.[2]
References
- ^ PRP records
- ^ Sloane, N. J. A. (ed.). "Sequence A005897". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.