384145129 has 2 divisors, whose sum is σ = 384145130. Its totient is φ = 384145128.

The previous prime is 384145061. The next prime is 384145133. The reversal of 384145129 is 921541483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370639504 + 13505625 = 19252^2 + 3675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384145129 is a prime.

It is not a weakly prime, because it can be changed into another prime (384145189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192072564 + 192072565.

It is an arithmetic number, because the mean of its divisors is an integer number (192072565).

Almost surely, 2^384145129 is an apocalyptic number.

It is an amenable number.

384145129 is a deficient number, since it is larger than the sum of its proper divisors (1).

384145129 is an equidigital number, since it uses as much as digits as its factorization.

384145129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 384145129 is about 19599.6206340837. The cubic root of 384145129 is about 726.9397939656.

The spelling of 384145129 in words is "three hundred eighty-four million, one hundred forty-five thousand, one hundred twenty-nine".