154271 has 4 divisors (see below), whose sum is σ = 166152. Its totient is φ = 142392.

The previous prime is 154267. The next prime is 154277. The reversal of 154271 is 172451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172451 = 331 ⋅521.

It is a cyclic number.

It is not a de Polignac number, because 154271 - 2² = 154267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154277) 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 in 3 ways as a sum of consecutive naturals, for example, 5921 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (41538).

2¹⁵⁴²⁷¹ is an apocalyptic number.

154271 is a deficient number, since it is larger than the sum of its proper divisors (11881).

154271 is a wasteful number, since it uses less digits than its factorization.

154271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880.

The product of its digits is 280, while the sum is 20.

The square root of 154271 is about 392.7734716093. The cubic root of 154271 is about 53.6325070134.

The spelling of 154271 in words is "one hundred fifty-four thousand, two hundred seventy-one".