7145865229 has 2 divisors, whose sum is σ = 7145865230. Its totient is φ = 7145865228.

The previous prime is 7145865179. The next prime is 7145865247. The reversal of 7145865229 is 9225685417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5059476900 + 2086388329 = 71130^2 + 45677^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145865229 - 2¹⁷ = 7145734157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7145865029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572932614 + 3572932615.

It is an arithmetic number, because the mean of its divisors is an integer number (3572932615).

Almost surely, 2^7145865229 is an apocalyptic number.

It is an amenable number.

7145865229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145865229 is an equidigital number, since it uses as much as digits as its factorization.

7145865229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 49.

The square root of 7145865229 is about 84533.2196772369. The cubic root of 7145865229 is about 1926.1270942910.

The spelling of 7145865229 in words is "seven billion, one hundred forty-five million, eight hundred sixty-five thousand, two hundred twenty-nine".