144147144 has 64 divisors (see below), whose sum is σ = 371226240. Its totient is φ = 46615040.

The previous prime is 144147119. The next prime is 144147163. The reversal of 144147144 is 441741441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258514 + ... + 259070.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^144147144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144147144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185613120).

144147144 is an abundant number, since it is smaller than the sum of its proper divisors (227079096).

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

144147144 is a wasteful number, since it uses less digits than its factorization.

144147144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 866 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 144147144 is about 12006.1294345847. The cubic root of 144147144 is about 524.3267487944.

Adding to 144147144 its reverse (441741441), we get a palindrome (585888585).

The spelling of 144147144 in words is "one hundred forty-four million, one hundred forty-seven thousand, one hundred forty-four".