234545429 has 2 divisors, whose sum is σ = 234545430. Its totient is φ = 234545428.

The previous prime is 234545401. The next prime is 234545449. The reversal of 234545429 is 924545432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208022929 + 26522500 = 14423^2 + 5150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234545429 is a prime.

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 = 234545392 and 234545401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234545449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117272714 + 117272715.

It is an arithmetic number, because the mean of its divisors is an integer number (117272715).

Almost surely, 2^234545429 is an apocalyptic number.

It is an amenable number.

234545429 is a deficient number, since it is larger than the sum of its proper divisors (1).

234545429 is an equidigital number, since it uses as much as digits as its factorization.

234545429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

The square root of 234545429 is about 15314.8760687118. The cubic root of 234545429 is about 616.7024273718.

It can be divided in two parts, 2345 and 45429, that added together give a palindrome (47774).

The spelling of 234545429 in words is "two hundred thirty-four million, five hundred forty-five thousand, four hundred twenty-nine".