154355161 has 4 divisors (see below), whose sum is σ = 154386432. Its totient is φ = 154323892.

The previous prime is 154355143. The next prime is 154355273. The reversal of 154355161 is 161553451.

It is a happy number.

154355161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154355161 - 2⁵ = 154355129 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154355111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6421 + ... + 18706.

It is an arithmetic number, because the mean of its divisors is an integer number (38596608).

Almost surely, 2^154355161 is an apocalyptic number.

It is an amenable number.

154355161 is a deficient number, since it is larger than the sum of its proper divisors (31271).

154355161 is an equidigital number, since it uses as much as digits as its factorization.

154355161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31270.

The product of its digits is 9000, while the sum is 31.

The square root of 154355161 is about 12423.9752494924. The cubic root of 154355161 is about 536.4225813284.

The spelling of 154355161 in words is "one hundred fifty-four million, three hundred fifty-five thousand, one hundred sixty-one".