7145665459 has 2 divisors, whose sum is σ = 7145665460. Its totient is φ = 7145665458.

The previous prime is 7145665427. The next prime is 7145665469. The reversal of 7145665459 is 9545665417.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7145665459 - 2⁵ = 7145665427 is a prime.

It is not a weakly prime, because it can be changed into another prime (7145665409) 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, 3572832729 + 3572832730.

It is an arithmetic number, because the mean of its divisors is an integer number (3572832730).

Almost surely, 2^7145665459 is an apocalyptic number.

7145665459 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145665459 is an equidigital number, since it uses as much as digits as its factorization.

7145665459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 52.

The square root of 7145665459 is about 84532.0380625003. The cubic root of 7145665459 is about 1926.1091451701.

The spelling of 7145665459 in words is "seven billion, one hundred forty-five million, six hundred sixty-five thousand, four hundred fifty-nine".