154853129 has 2 divisors, whose sum is σ = 154853130. Its totient is φ = 154853128.

The previous prime is 154853113. The next prime is 154853141. The reversal of 154853129 is 921358451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140375104 + 14478025 = 11848^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 154853129 - 2⁴ = 154853113 is a prime.

It is a super-2 number, since 2×154853129² = 47958983122181282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154853092 and 154853101.

It is not a weakly prime, because it can be changed into another prime (154853159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77426564 + 77426565.

It is an arithmetic number, because the mean of its divisors is an integer number (77426565).

Almost surely, 2^154853129 is an apocalyptic number.

It is an amenable number.

154853129 is a deficient number, since it is larger than the sum of its proper divisors (1).

154853129 is an equidigital number, since it uses as much as digits as its factorization.

154853129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 154853129 is about 12443.9997187400. Note that the first 3 decimals coincide. The cubic root of 154853129 is about 536.9988163288.

The spelling of 154853129 in words is "one hundred fifty-four million, eight hundred fifty-three thousand, one hundred twenty-nine".