144315720052117 has 4 divisors (see below), whose sum is σ = 145353962642560. Its totient is φ = 143277477461676.

The previous prime is 144315720051961. The next prime is 144315720052129. The reversal of 144315720052117 is 711250027513441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144315720052117 - 2⁴³ = 135519627029909 is a prime.

It is a super-2 number, since 2×144315720052117² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144315720052177) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 519121295013 + ... + 519121295290.

It is an arithmetic number, because the mean of its divisors is an integer number (36338490660640).

Almost surely, 2^{144315720052117} is an apocalyptic number.

It is an amenable number.

144315720052117 is a deficient number, since it is larger than the sum of its proper divisors (1038242590443).

144315720052117 is a wasteful number, since it uses less digits than its factorization.

144315720052117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038242590442.

The product of its (nonzero) digits is 235200, while the sum is 43.

Adding to 144315720052117 its reverse (711250027513441), we get a palindrome (855565747565558).

The spelling of 144315720052117 in words is "one hundred forty-four trillion, three hundred fifteen billion, seven hundred twenty million, fifty-two thousand, one hundred seventeen".