Adding to 151800 its reverse (8151), we get a palindrome (159951).
It is a happy number.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 151800.
It is a congruent number.
It is an unprimeable number.
2151800 is an apocalyptic number.
151800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 151800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151800 is a wasteful number, since it uses less digits than its factorization.
151800 is an evil number, because the sum of its binary digits is even.
The square root of 151800 is about 389.6151947756. The cubic root of 151800 is about 53.3446156687.
The spelling of 151800 in words is "one hundred fifty-one thousand, eight hundred".