146221535659 has 2 divisors, whose sum is σ = 146221535660. Its totient is φ = 146221535658.

The previous prime is 146221535653. The next prime is 146221535741. The reversal of 146221535659 is 956535122641.

It is a happy number.

146221535659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146221535659 - 2⁹ = 146221535147 is a prime.

It is not a weakly prime, because it can be changed into another prime (146221535653) 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, 73110767829 + 73110767830.

It is an arithmetic number, because the mean of its divisors is an integer number (73110767830).

Almost surely, 2^146221535659 is an apocalyptic number.

146221535659 is a deficient number, since it is larger than the sum of its proper divisors (1).

146221535659 is an equidigital number, since it uses as much as digits as its factorization.

146221535659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 49.

The spelling of 146221535659 in words is "one hundred forty-six billion, two hundred twenty-one million, five hundred thirty-five thousand, six hundred fifty-nine".