144603046136621 has 2 divisors, whose sum is σ = 144603046136622. Its totient is φ = 144603046136620.

The previous prime is 144603046136581. The next prime is 144603046136639. The reversal of 144603046136621 is 126631640306441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135420025014121 + 9183021122500 = 11637011^2 + 3030350^2 .

It is a cyclic number.

It is not a de Polignac number, because 144603046136621 - 2³⁰ = 144601972394797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144603046136651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72301523068310 + 72301523068311.

It is an arithmetic number, because the mean of its divisors is an integer number (72301523068311).

Almost surely, 2^{144603046136621} is an apocalyptic number.

It is an amenable number.

144603046136621 is a deficient number, since it is larger than the sum of its proper divisors (1).

144603046136621 is an equidigital number, since it uses as much as digits as its factorization.

144603046136621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 144603046136621 in words is "one hundred forty-four trillion, six hundred three billion, forty-six million, one hundred thirty-six thousand, six hundred twenty-one".