147945047 has 2 divisors, whose sum is σ = 147945048. Its totient is φ = 147945046.

The previous prime is 147945019. The next prime is 147945059. The reversal of 147945047 is 740549741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147945047 - 2⁸ = 147944791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147944995 and 147945013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147945247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73972523 + 73972524.

It is an arithmetic number, because the mean of its divisors is an integer number (73972524).

Almost surely, 2^147945047 is an apocalyptic number.

147945047 is a deficient number, since it is larger than the sum of its proper divisors (1).

147945047 is an equidigital number, since it uses as much as digits as its factorization.

147945047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 147945047 is about 12163.2662965176. The cubic root of 147945047 is about 528.8917711748.

The spelling of 147945047 in words is "one hundred forty-seven million, nine hundred forty-five thousand, forty-seven".