144331120 has 20 divisors (see below), whose sum is σ = 335570040. Its totient is φ = 57732416.

The previous prime is 144331097. The next prime is 144331129. The reversal of 144331120 is 21133441.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144331129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 901990 + ... + 902149.

It is an arithmetic number, because the mean of its divisors is an integer number (16778502).

Almost surely, 2^144331120 is an apocalyptic number.

144331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144331120 is an abundant number, since it is smaller than the sum of its proper divisors (191238920).

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

144331120 is a wasteful number, since it uses less digits than its factorization.

144331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804152 (or 1804146 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 144331120 is about 12013.7887446051. The cubic root of 144331120 is about 524.5497212499.

Adding to 144331120 its reverse (21133441), we get a palindrome (165464561).

The spelling of 144331120 in words is "one hundred forty-four million, three hundred thirty-one thousand, one hundred twenty".