144402314461 has 2 divisors, whose sum is σ = 144402314462. Its totient is φ = 144402314460.

The previous prime is 144402314449. The next prime is 144402314467. The reversal of 144402314461 is 164413204441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144148549561 + 253764900 = 379669^2 + 15930^2 .

It is an emirp because it is prime and its reverse (164413204441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144402314461 - 2¹⁵ = 144402281693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144402314467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72201157230 + 72201157231.

It is an arithmetic number, because the mean of its divisors is an integer number (72201157231).

Almost surely, 2^144402314461 is an apocalyptic number.

It is an amenable number.

144402314461 is a deficient number, since it is larger than the sum of its proper divisors (1).

144402314461 is an equidigital number, since it uses as much as digits as its factorization.

144402314461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 144402314461 in words is "one hundred forty-four billion, four hundred two million, three hundred fourteen thousand, four hundred sixty-one".