4145605229 has 2 divisors, whose sum is σ = 4145605230. Its totient is φ = 4145605228.

The previous prime is 4145605199. The next prime is 4145605237. The reversal of 4145605229 is 9225065414.

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., 2788051204 + 1357554025 = 52802^2 + 36845^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145605229 - 2⁸ = 4145604973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4145605192 and 4145605201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145605259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072802614 + 2072802615.

It is an arithmetic number, because the mean of its divisors is an integer number (2072802615).

Almost surely, 2^4145605229 is an apocalyptic number.

It is an amenable number.

4145605229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145605229 is an equidigital number, since it uses as much as digits as its factorization.

4145605229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 4145605229 is about 64386.3745601505. The cubic root of 4145605229 is about 1606.4331139300.

The spelling of 4145605229 in words is "four billion, one hundred forty-five million, six hundred five thousand, two hundred twenty-nine".