144032140 has 48 divisors (see below), whose sum is σ = 346574592. Its totient is φ = 49254336.

The previous prime is 144032131. The next prime is 144032149. The reversal of 144032140 is 41230441.

It is an interprime number because it is at equal distance from previous prime (144032131) and next prime (144032149).

It is not an unprimeable number, because it can be changed into a prime (144032149) 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 15 ways as a sum of consecutive naturals, for example, 64279 + ... + 66481.

It is an arithmetic number, because the mean of its divisors is an integer number (7220304).

Almost surely, 2^144032140 is an apocalyptic number.

144032140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144032140 is an abundant number, since it is smaller than the sum of its proper divisors (202542452).

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

144032140 is a wasteful number, since it uses less digits than its factorization.

144032140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144032140 is about 12001.3390919514. The cubic root of 144032140 is about 524.1872716022.

Adding to 144032140 its reverse (41230441), we get a palindrome (185262581).

The spelling of 144032140 in words is "one hundred forty-four million, thirty-two thousand, one hundred forty".