147488197 has 2 divisors, whose sum is σ = 147488198. Its totient is φ = 147488196.

The previous prime is 147488161. The next prime is 147488207. The reversal of 147488197 is 791884741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135280161 + 12208036 = 11631^2 + 3494^2 .

It is an emirp because it is prime and its reverse (791884741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147488197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147488197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147483197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73744098 + 73744099.

It is an arithmetic number, because the mean of its divisors is an integer number (73744099).

Almost surely, 2^147488197 is an apocalyptic number.

It is an amenable number.

147488197 is a deficient number, since it is larger than the sum of its proper divisors (1).

147488197 is an equidigital number, since it uses as much as digits as its factorization.

147488197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 49.

The square root of 147488197 is about 12144.4718699497. The cubic root of 147488197 is about 528.3468090473.

The spelling of 147488197 in words is "one hundred forty-seven million, four hundred eighty-eight thousand, one hundred ninety-seven".