147643313 has 2 divisors, whose sum is σ = 147643314. Its totient is φ = 147643312.

The previous prime is 147643267. The next prime is 147643333. The reversal of 147643313 is 313346741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114661264 + 32982049 = 10708^2 + 5743^2 .

It is a cyclic number.

It is not a de Polignac number, because 147643313 - 2¹⁰ = 147642289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147643313.

It is not a weakly prime, because it can be changed into another prime (147643333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73821656 + 73821657.

It is an arithmetic number, because the mean of its divisors is an integer number (73821657).

Almost surely, 2^147643313 is an apocalyptic number.

It is an amenable number.

147643313 is a deficient number, since it is larger than the sum of its proper divisors (1).

147643313 is an equidigital number, since it uses as much as digits as its factorization.

147643313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 147643313 is about 12150.8564718706. The cubic root of 147643313 is about 528.5319681105.

The spelling of 147643313 in words is "one hundred forty-seven million, six hundred forty-three thousand, three hundred thirteen".