144311040 has 108 divisors (see below), whose sum is σ = 499341024. Its totient is φ = 38479872.

The previous prime is 144311017. The next prime is 144311059. The reversal of 144311040 is 40113441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5257 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (4623528).

Almost surely, 2^144311040 is an apocalyptic number.

144311040 is a gapful number since it is divisible by the number (10) 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 144311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249670512).

144311040 is an abundant number, since it is smaller than the sum of its proper divisors (355029984).

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

144311040 is a wasteful number, since it uses less digits than its factorization.

144311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554 (or 12537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144311040 is about 12012.9530091481. The cubic root of 144311040 is about 524.5253942097.

Adding to 144311040 its reverse (40113441), we get a palindrome (184424481).

The spelling of 144311040 in words is "one hundred forty-four million, three hundred eleven thousand, forty".