154416161 has 2 divisors, whose sum is σ = 154416162. Its totient is φ = 154416160.

The previous prime is 154416149. The next prime is 154416169. The reversal of 154416161 is 161614451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 65302561 = 9440^2 + 8081^2 .

It is an emirp because it is prime and its reverse (161614451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154416161 - 2¹⁰ = 154415137 is a prime.

It is not a weakly prime, because it can be changed into another prime (154416169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77208080 + 77208081.

It is an arithmetic number, because the mean of its divisors is an integer number (77208081).

Almost surely, 2^154416161 is an apocalyptic number.

It is an amenable number.

154416161 is a deficient number, since it is larger than the sum of its proper divisors (1).

154416161 is an equidigital number, since it uses as much as digits as its factorization.

154416161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 154416161 is about 12426.4299378381. The cubic root of 154416161 is about 536.4932354133.

The spelling of 154416161 in words is "one hundred fifty-four million, four hundred sixteen thousand, one hundred sixty-one".