43454129 has 2 divisors, whose sum is σ = 43454130. Its totient is φ = 43454128.

The previous prime is 43454119. The next prime is 43454167. The reversal of 43454129 is 92145434.

43454129 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., 35343025 + 8111104 = 5945^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 43454129 - 2⁴ = 43454113 is a prime.

It is a super-2 number, since 2×43454129² = 3776522654297282, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 43454095 and 43454104.

It is not a weakly prime, because it can be changed into another prime (43454119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21727064 + 21727065.

It is an arithmetic number, because the mean of its divisors is an integer number (21727065).

Almost surely, 2^43454129 is an apocalyptic number.

It is an amenable number.

43454129 is a deficient number, since it is larger than the sum of its proper divisors (1).

43454129 is an equidigital number, since it uses as much as digits as its factorization.

43454129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 43454129 is about 6591.9745903636. The cubic root of 43454129 is about 351.5688187401.

The spelling of 43454129 in words is "forty-three million, four hundred fifty-four thousand, one hundred twenty-nine".