154026161 has 2 divisors, whose sum is σ = 154026162. Its totient is φ = 154026160.

The previous prime is 154026157. The next prime is 154026181. The reversal of 154026161 is 161620451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114083761 + 39942400 = 10681^2 + 6320^2 .

It is a cyclic number.

It is not a de Polignac number, because 154026161 - 2² = 154026157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154026161.

It is not a weakly prime, because it can be changed into another prime (154026121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77013080 + 77013081.

It is an arithmetic number, because the mean of its divisors is an integer number (77013081).

Almost surely, 2^154026161 is an apocalyptic number.

It is an amenable number.

154026161 is a deficient number, since it is larger than the sum of its proper divisors (1).

154026161 is an equidigital number, since it uses as much as digits as its factorization.

154026161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 154026161 is about 12410.7276579579. The cubic root of 154026161 is about 536.0411912819.

The spelling of 154026161 in words is "one hundred fifty-four million, twenty-six thousand, one hundred sixty-one".