146444626147 has 2 divisors, whose sum is σ = 146444626148. Its totient is φ = 146444626146.

The previous prime is 146444626129. The next prime is 146444626151. The reversal of 146444626147 is 741626444641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146444626147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146444626147.

It is not a weakly prime, because it can be changed into another prime (146444626747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73222313073 + 73222313074.

It is an arithmetic number, because the mean of its divisors is an integer number (73222313074).

Almost surely, 2^146444626147 is an apocalyptic number.

146444626147 is a deficient number, since it is larger than the sum of its proper divisors (1).

146444626147 is an equidigital number, since it uses as much as digits as its factorization.

146444626147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 49.

The spelling of 146444626147 in words is "one hundred forty-six billion, four hundred forty-four million, six hundred twenty-six thousand, one hundred forty-seven".