144342021202340 has 24 divisors (see below), whose sum is σ = 326435032565880. Its totient is φ = 53295515520768.

The previous prime is 144342021202339. The next prime is 144342021202363. The reversal of 144342021202340 is 43202120243441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1420044022336 + 142921977180004 = 1191656^2 + 11954998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144342021202297 and 144342021202306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277580809745 + ... + 277580810264.

It is an arithmetic number, because the mean of its divisors is an integer number (13601459690245).

Almost surely, 2^{144342021202340} is an apocalyptic number.

144342021202340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144342021202340 is an abundant number, since it is smaller than the sum of its proper divisors (182093011363540).

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

144342021202340 is a wasteful number, since it uses less digits than its factorization.

144342021202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555161620031 (or 555161620029 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 144342021202340 its reverse (43202120243441), we get a palindrome (187544141445781).

The spelling of 144342021202340 in words is "one hundred forty-four trillion, three hundred forty-two billion, twenty-one million, two hundred two thousand, three hundred forty".