154110654240161 has 2 divisors, whose sum is σ = 154110654240162. Its totient is φ = 154110654240160.

The previous prime is 154110654240157. The next prime is 154110654240167. The reversal of 154110654240161 is 161042456011451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113737020539536 + 40373633700625 = 10664756^2 + 6354025^2 .

It is a cyclic number.

It is not a de Polignac number, because 154110654240161 - 2² = 154110654240157 is a prime.

It is not a weakly prime, because it can be changed into another prime (154110654240167) 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, 77055327120080 + 77055327120081.

It is an arithmetic number, because the mean of its divisors is an integer number (77055327120081).

Almost surely, 2^{154110654240161} is an apocalyptic number.

It is an amenable number.

154110654240161 is a deficient number, since it is larger than the sum of its proper divisors (1).

154110654240161 is an equidigital number, since it uses as much as digits as its factorization.

154110654240161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 154110654240161 in words is "one hundred fifty-four trillion, one hundred ten billion, six hundred fifty-four million, two hundred forty thousand, one hundred sixty-one".