144353642140 has 48 divisors (see below), whose sum is σ = 312803303904. Its totient is φ = 55921894400.

The previous prime is 144353642117. The next prime is 144353642143. The reversal of 144353642140 is 41246353441.

It is a self number, because there is not a number n which added to its sum of digits gives 144353642140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144353642143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530146 + ... + 754825.

It is an arithmetic number, because the mean of its divisors is an integer number (6516735498).

Almost surely, 2^144353642140 is an apocalyptic number.

144353642140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144353642140 is an abundant number, since it is smaller than the sum of its proper divisors (168449661764).

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

144353642140 is a wasteful number, since it uses less digits than its factorization.

144353642140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285158 (or 1285156 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 144353642140 its reverse (41246353441), we get a palindrome (185599995581).

The spelling of 144353642140 in words is "one hundred forty-four billion, three hundred fifty-three million, six hundred forty-two thousand, one hundred forty".