144522544 has 40 divisors (see below), whose sum is σ = 290851920. Its totient is φ = 69484800.

The previous prime is 144522541. The next prime is 144522557. The reversal of 144522544 is 445225441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144522541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153114 + ... + 154054.

It is an arithmetic number, because the mean of its divisors is an integer number (7271298).

Almost surely, 2^144522544 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 144522544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145425960).

144522544 is an abundant number, since it is smaller than the sum of its proper divisors (146329376).

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

144522544 is a wasteful number, since it uses less digits than its factorization.

144522544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1303 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 144522544 is about 12021.7529503812. The cubic root of 144522544 is about 524.7815193708.

Adding to 144522544 its reverse (445225441), we get a palindrome (589747985).

The spelling of 144522544 in words is "one hundred forty-four million, five hundred twenty-two thousand, five hundred forty-four".