154081 has 2 divisors, whose sum is σ = 154082. Its totient is φ = 154080.

The previous prime is 154079. The next prime is 154087. The reversal of 154081 is 180451.

154081 = T₃₁₉ + T₃₂₀ + T₃₂₁.

154081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 13456 = 375^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 154081 - 2¹ = 154079 is a prime.

It is a super-2 number, since 2×154081² = 47481909122, which contains 22 as substring.

Together with 154079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77040 + 77041.

It is an arithmetic number, because the mean of its divisors is an integer number (77041).

2¹⁵⁴⁰⁸¹ is an apocalyptic number.

154081 is the 321-st centered triangular number.

It is an amenable number.

154081 is a deficient number, since it is larger than the sum of its proper divisors (1).

154081 is an equidigital number, since it uses as much as digits as its factorization.

154081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 154081 is about 392.5315273962. The cubic root of 154081 is about 53.6104800552.

It can be divided in two parts, 15 and 4081, that added together give a 12-th power (4096 = 2¹²).

The spelling of 154081 in words is "one hundred fifty-four thousand, eighty-one".