Adding to 45000 its reverse (54), we get a palindrome (45054).
It is a tau number, because it is divible by the number of its divisors (60).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=150.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 6 and base 15.
245000 is an apocalyptic number.
45000 is a gapful number since it is divisible by the number (40) 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 45000
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45000 is a wasteful number, since it uses less digits than its factorization.
45000 is an odious number, because the sum of its binary digits is odd.
The square root of 45000 is about 212.1320343560. The cubic root of 45000 is about 35.5689330449.
The spelling of 45000 in words is "forty-five thousand".