146261420223089 has 2 divisors, whose sum is σ = 146261420223090. Its totient is φ = 146261420223088.

The previous prime is 146261420222971. The next prime is 146261420223101. The reversal of 146261420223089 is 980322024162641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124920411168400 + 21341009054689 = 11176780^2 + 4619633^2 .

It is a cyclic number.

It is not a de Polignac number, because 146261420223089 - 2²⁴ = 146261403445873 is a prime.

It is not a weakly prime, because it can be changed into another prime (146261420523089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73130710111544 + 73130710111545.

It is an arithmetic number, because the mean of its divisors is an integer number (73130710111545).

Almost surely, 2^{146261420223089} is an apocalyptic number.

It is an amenable number.

146261420223089 is a deficient number, since it is larger than the sum of its proper divisors (1).

146261420223089 is an equidigital number, since it uses as much as digits as its factorization.

146261420223089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 146261420223089 in words is "one hundred forty-six trillion, two hundred sixty-one billion, four hundred twenty million, two hundred twenty-three thousand, eighty-nine".