147231197 has 2 divisors, whose sum is σ = 147231198. Its totient is φ = 147231196.

The previous prime is 147231193. The next prime is 147231241. The reversal of 147231197 is 791132741.

147231197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145419481 + 1811716 = 12059^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 147231197 - 2² = 147231193 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147231193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73615598 + 73615599.

It is an arithmetic number, because the mean of its divisors is an integer number (73615599).

Almost surely, 2^147231197 is an apocalyptic number.

It is an amenable number.

147231197 is a deficient number, since it is larger than the sum of its proper divisors (1).

147231197 is an equidigital number, since it uses as much as digits as its factorization.

147231197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 147231197 is about 12133.8863106591. The cubic root of 147231197 is about 528.0397470174.

The spelling of 147231197 in words is "one hundred forty-seven million, two hundred thirty-one thousand, one hundred ninety-seven".