163745147 has 2 divisors, whose sum is σ = 163745148. Its totient is φ = 163745146.

The previous prime is 163745129. The next prime is 163745159. The reversal of 163745147 is 741547361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163745147 - 2¹⁰ = 163744123 is a prime.

It is a Chen prime.

It is equal to p_9172649 and since 163745147 and 9172649 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163745147.

It is not a weakly prime, because it can be changed into another prime (163745447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81872573 + 81872574.

It is an arithmetic number, because the mean of its divisors is an integer number (81872574).

Almost surely, 2^163745147 is an apocalyptic number.

163745147 is a deficient number, since it is larger than the sum of its proper divisors (1).

163745147 is an equidigital number, since it uses as much as digits as its factorization.

163745147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 163745147 is about 12796.2942682638. The cubic root of 163745147 is about 547.0866859710.

The spelling of 163745147 in words is "one hundred sixty-three million, seven hundred forty-five thousand, one hundred forty-seven".