146221535147 has 2 divisors, whose sum is σ = 146221535148. Its totient is φ = 146221535146.

The previous prime is 146221535143. The next prime is 146221535177. The reversal of 146221535147 is 741535122641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146221535147 - 2² = 146221535143 is a prime.

It is not a weakly prime, because it can be changed into another prime (146221535143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73110767573 + 73110767574.

It is an arithmetic number, because the mean of its divisors is an integer number (73110767574).

Almost surely, 2^146221535147 is an apocalyptic number.

146221535147 is a deficient number, since it is larger than the sum of its proper divisors (1).

146221535147 is an equidigital number, since it uses as much as digits as its factorization.

146221535147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

Adding to 146221535147 its reverse (741535122641), we get a palindrome (887756657788).

The spelling of 146221535147 in words is "one hundred forty-six billion, two hundred twenty-one million, five hundred thirty-five thousand, one hundred forty-seven".