144223442550 has 144 divisors (see below), whose sum is σ = 423340016112. Its totient is φ = 34910803200.

The previous prime is 144223442549. The next prime is 144223442569. The reversal of 144223442550 is 55244322441.

144223442550 is a `hidden beast` number, since 1 + 4 + 4 + 223 + 4 + 425 + 5 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3329632 + ... + 3372668.

It is an arithmetic number, because the mean of its divisors is an integer number (2939861223).

Almost surely, 2^144223442550 is an apocalyptic number.

144223442550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144223442550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211670008056).

144223442550 is an abundant number, since it is smaller than the sum of its proper divisors (279116573562).

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

144223442550 is a wasteful number, since it uses less digits than its factorization.

144223442550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43743 (or 43735 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 144223442550 its reverse (55244322441), we get a palindrome (199467764991).

The spelling of 144223442550 in words is "one hundred forty-four billion, two hundred twenty-three million, four hundred forty-two thousand, five hundred fifty".