147534197 has 2 divisors, whose sum is σ = 147534198. Its totient is φ = 147534196.

The previous prime is 147534157. The next prime is 147534203. The reversal of 147534197 is 791435741.

147534197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143376676 + 4157521 = 11974^2 + 2039^2 .

It is an emirp because it is prime and its reverse (791435741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147534197 - 2⁸ = 147533941 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 (147534137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73767098 + 73767099.

It is an arithmetic number, because the mean of its divisors is an integer number (73767099).

Almost surely, 2^147534197 is an apocalyptic number.

It is an amenable number.

147534197 is a deficient number, since it is larger than the sum of its proper divisors (1).

147534197 is an equidigital number, since it uses as much as digits as its factorization.

147534197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 147534197 is about 12146.3655881091. The cubic root of 147534197 is about 528.4017319212.

The spelling of 147534197 in words is "one hundred forty-seven million, five hundred thirty-four thousand, one hundred ninety-seven".