144311243140 has 24 divisors (see below), whose sum is σ = 303061698072. Its totient is φ = 57722956800.

The previous prime is 144311243053. The next prime is 144311243159. The reversal of 144311243140 is 41342113441.

It can be written as a sum of positive squares in 4 ways, for example, as 83175713604 + 61135529536 = 288402^2 + 247256^2 .

It is a super-2 number, since 2×144311243140² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144311243099 and 144311243108.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 948340 + ... + 1089940.

It is an arithmetic number, because the mean of its divisors is an integer number (12627570753).

Almost surely, 2^144311243140 is an apocalyptic number.

144311243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144311243140 is an abundant number, since it is smaller than the sum of its proper divisors (158750454932).

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

144311243140 is a wasteful number, since it uses less digits than its factorization.

144311243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192567 (or 192565 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 144311243140 its reverse (41342113441), we get a palindrome (185653356581).

The spelling of 144311243140 in words is "one hundred forty-four billion, three hundred eleven million, two hundred forty-three thousand, one hundred forty".