144501266473 has 2 divisors, whose sum is σ = 144501266474. Its totient is φ = 144501266472.

The previous prime is 144501266461. The next prime is 144501266491. The reversal of 144501266473 is 374662105441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134855669529 + 9645596944 = 367227^2 + 98212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144501266473 is a prime.

It is not a weakly prime, because it can be changed into another prime (144501266423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72250633236 + 72250633237.

It is an arithmetic number, because the mean of its divisors is an integer number (72250633237).

Almost surely, 2^144501266473 is an apocalyptic number.

It is an amenable number.

144501266473 is a deficient number, since it is larger than the sum of its proper divisors (1).

144501266473 is an equidigital number, since it uses as much as digits as its factorization.

144501266473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 144501266473 in words is "one hundred forty-four billion, five hundred one million, two hundred sixty-six thousand, four hundred seventy-three".