3145332247 has 2 divisors, whose sum is σ = 3145332248. Its totient is φ = 3145332246.

The previous prime is 3145332233. The next prime is 3145332251. The reversal of 3145332247 is 7422335413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3145332247 - 2⁷ = 3145332119 is a prime.

It is a super-2 number, since 2×3145332247² = 19786229888036138018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145332947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572666123 + 1572666124.

It is an arithmetic number, because the mean of its divisors is an integer number (1572666124).

Almost surely, 2^3145332247 is an apocalyptic number.

3145332247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145332247 is an equidigital number, since it uses as much as digits as its factorization.

3145332247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 3145332247 is about 56083.2617364575. The cubic root of 3145332247 is about 1465.1727825659.

The spelling of 3145332247 in words is "three billion, one hundred forty-five million, three hundred thirty-two thousand, two hundred forty-seven".