146261420223101 has 2 divisors, whose sum is σ = 146261420223102. Its totient is φ = 146261420223100.

The previous prime is 146261420223089. The next prime is 146261420223103. The reversal of 146261420223101 is 101322024162641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88718955017476 + 57542465205625 = 9419074^2 + 7585675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146261420223101 is a prime.

It is a super-2 number, since 2×146261420223101² (a number of 29 digits) contains 22 as substring.

Together with 146261420223103, 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 (146261420223103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73130710111550 + 73130710111551.

It is an arithmetic number, because the mean of its divisors is an integer number (73130710111551).

Almost surely, 2^{146261420223101} is an apocalyptic number.

It is an amenable number.

146261420223101 is a deficient number, since it is larger than the sum of its proper divisors (1).

146261420223101 is an equidigital number, since it uses as much as digits as its factorization.

146261420223101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 146261420223101 its reverse (101322024162641), we get a palindrome (247583444385742).

The spelling of 146261420223101 in words is "one hundred forty-six trillion, two hundred sixty-one billion, four hundred twenty million, two hundred twenty-three thousand, one hundred one".