144285872881 has 2 divisors, whose sum is σ = 144285872882. Its totient is φ = 144285872880.

The previous prime is 144285872873. The next prime is 144285872959. The reversal of 144285872881 is 188278582441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130552142400 + 13733730481 = 361320^2 + 117191^2 .

It is an emirp because it is prime and its reverse (188278582441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144285872881 - 2³ = 144285872873 is a prime.

It is a super-2 number, since 2×144285872881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144285878881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72142936440 + 72142936441.

It is an arithmetic number, because the mean of its divisors is an integer number (72142936441).

Almost surely, 2^144285872881 is an apocalyptic number.

It is an amenable number.

144285872881 is a deficient number, since it is larger than the sum of its proper divisors (1).

144285872881 is an equidigital number, since it uses as much as digits as its factorization.

144285872881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9175040, while the sum is 58.

The spelling of 144285872881 in words is "one hundred forty-four billion, two hundred eighty-five million, eight hundred seventy-two thousand, eight hundred eighty-one".