154871 has 2 divisors, whose sum is σ = 154872. Its totient is φ = 154870.

The previous prime is 154849. The next prime is 154873. The reversal of 154871 is 178451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154871 - 2⁶ = 154807 is a prime.

Together with 154873, it forms a pair of twin primes.

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 154871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77435 + 77436.

It is an arithmetic number, because the mean of its divisors is an integer number (77436).

2¹⁵⁴⁸⁷¹ is an apocalyptic number.

154871 is a deficient number, since it is larger than the sum of its proper divisors (1).

154871 is an equidigital number, since it uses as much as digits as its factorization.

154871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 26.

The square root of 154871 is about 393.5365294353. The cubic root of 154871 is about 53.7019473186.

It can be divided in two parts, 1 and 54871, that added together give a cube (54872 = 38³).

The spelling of 154871 in words is "one hundred fifty-four thousand, eight hundred seventy-one".