144087280861 has 2 divisors, whose sum is σ = 144087280862. Its totient is φ = 144087280860.

The previous prime is 144087280859. The next prime is 144087280879. The reversal of 144087280861 is 168082780441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136375104100 + 7712176761 = 369290^2 + 87819^2 .

It is a cyclic number.

It is not a de Polignac number, because 144087280861 - 2¹ = 144087280859 is a prime.

It is a super-2 number, since 2×144087280861² (a number of 23 digits) contains 22 as substring.

Together with 144087280859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144087280801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72043640430 + 72043640431.

It is an arithmetic number, because the mean of its divisors is an integer number (72043640431).

Almost surely, 2^144087280861 is an apocalyptic number.

It is an amenable number.

144087280861 is a deficient number, since it is larger than the sum of its proper divisors (1).

144087280861 is an equidigital number, since it uses as much as digits as its factorization.

144087280861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 144087280861 in words is "one hundred forty-four billion, eighty-seven million, two hundred eighty thousand, eight hundred sixty-one".