154334161 has 4 divisors (see below), whose sum is σ = 155862324. Its totient is φ = 152806000.

The previous prime is 154334153. The next prime is 154334171. The reversal of 154334161 is 161433451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101626561 + 52707600 = 10081^2 + 7260^2 .

It is a cyclic number.

It is not a de Polignac number, because 154334161 - 2³ = 154334153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154334171) 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, 763930 + ... + 764131.

It is an arithmetic number, because the mean of its divisors is an integer number (38965581).

Almost surely, 2^154334161 is an apocalyptic number.

It is an amenable number.

154334161 is a deficient number, since it is larger than the sum of its proper divisors (1528163).

154334161 is a wasteful number, since it uses less digits than its factorization.

154334161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528162.

The product of its digits is 4320, while the sum is 28.

The square root of 154334161 is about 12423.1300806198. The cubic root of 154334161 is about 536.3982534838.

The spelling of 154334161 in words is "one hundred fifty-four million, three hundred thirty-four thousand, one hundred sixty-one".