154316443406129 has 2 divisors, whose sum is σ = 154316443406130. Its totient is φ = 154316443406128.

The previous prime is 154316443406051. The next prime is 154316443406189. The reversal of 154316443406129 is 921604344613451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153137481766129 + 1178961640000 = 12374873^2 + 1085800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154316443406129 is a prime.

It is not a weakly prime, because it can be changed into another prime (154316443406189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77158221703064 + 77158221703065.

It is an arithmetic number, because the mean of its divisors is an integer number (77158221703065).

Almost surely, 2^{154316443406129} is an apocalyptic number.

It is an amenable number.

154316443406129 is a deficient number, since it is larger than the sum of its proper divisors (1).

154316443406129 is an equidigital number, since it uses as much as digits as its factorization.

154316443406129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 154316443406129 in words is "one hundred fifty-four trillion, three hundred sixteen billion, four hundred forty-three million, four hundred six thousand, one hundred twenty-nine".