146261420221051 has 2 divisors, whose sum is σ = 146261420221052. Its totient is φ = 146261420221050.

The previous prime is 146261420220997. The next prime is 146261420221057. The reversal of 146261420221051 is 150122024162641.

146261420221051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146261420221051 - 2²³ = 146261411832443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146261420221051.

It is not a weakly prime, because it can be changed into another prime (146261420221057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73130710110525 + 73130710110526.

It is an arithmetic number, because the mean of its divisors is an integer number (73130710110526).

Almost surely, 2^{146261420221051} is an apocalyptic number.

146261420221051 is a deficient number, since it is larger than the sum of its proper divisors (1).

146261420221051 is an equidigital number, since it uses as much as digits as its factorization.

146261420221051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 146261420221051 its reverse (150122024162641), we get a palindrome (296383444383692).

The spelling of 146261420221051 in words is "one hundred forty-six trillion, two hundred sixty-one billion, four hundred twenty million, two hundred twenty-one thousand, fifty-one".