144102145406621 has 2 divisors, whose sum is σ = 144102145406622. Its totient is φ = 144102145406620.

The previous prime is 144102145406599. The next prime is 144102145406623. The reversal of 144102145406621 is 126604541201441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140619610922596 + 3482534484025 = 11858314^2 + 1866155^2 .

It is a cyclic number.

It is not a de Polignac number, because 144102145406621 - 2¹⁰ = 144102145405597 is a prime.

Together with 144102145406623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144102145406623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72051072703310 + 72051072703311.

It is an arithmetic number, because the mean of its divisors is an integer number (72051072703311).

Almost surely, 2^{144102145406621} is an apocalyptic number.

It is an amenable number.

144102145406621 is a deficient number, since it is larger than the sum of its proper divisors (1).

144102145406621 is an equidigital number, since it uses as much as digits as its factorization.

144102145406621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 144102145406621 in words is "one hundred forty-four trillion, one hundred two billion, one hundred forty-five million, four hundred six thousand, six hundred twenty-one".