144550 has 36 divisors (see below), whose sum is σ = 318060. Its totient is φ = 48720.

The previous prime is 144541. The next prime is 144563. The reversal of 144550 is 55441.

144550 = T₅₁ + T₅₂ + ... + T₉₉.

It is a congruent number.

It is an unprimeable number.

144550 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2421 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (8835).

2¹⁴⁴⁵⁵⁰ is an apocalyptic number.

144550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144550 is an abundant number, since it is smaller than the sum of its proper divisors (173510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144550 is a wasteful number, since it uses less digits than its factorization.

144550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 144550 is about 380.1973171920. The cubic root of 144550 is about 52.4814749455.

Adding to 144550 its reverse (55441), we get a palindrome (199991).

It can be divided in two parts, 1 and 44550, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 144550 in words is "one hundred forty-four thousand, five hundred fifty".