147197473 has 2 divisors, whose sum is σ = 147197474. Its totient is φ = 147197472.

The previous prime is 147197443. The next prime is 147197497. The reversal of 147197473 is 374791741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134722449 + 12475024 = 11607^2 + 3532^2 .

It is a cyclic number.

It is not a de Polignac number, because 147197473 - 2⁹ = 147196961 is a prime.

It is not a weakly prime, because it can be changed into another prime (147197443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73598736 + 73598737.

It is an arithmetic number, because the mean of its divisors is an integer number (73598737).

Almost surely, 2^147197473 is an apocalyptic number.

It is an amenable number.

147197473 is a deficient number, since it is larger than the sum of its proper divisors (1).

147197473 is an equidigital number, since it uses as much as digits as its factorization.

147197473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 43.

The square root of 147197473 is about 12132.4965691320. The cubic root of 147197473 is about 527.9994272740. Note that the first 3 decimals are identical.

The spelling of 147197473 in words is "one hundred forty-seven million, one hundred ninety-seven thousand, four hundred seventy-three".