147830117 has 2 divisors, whose sum is σ = 147830118. Its totient is φ = 147830116.

The previous prime is 147830083. The next prime is 147830141. The reversal of 147830117 is 711038741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134536801 + 13293316 = 11599^2 + 3646^2 .

It is a cyclic number.

It is not a de Polignac number, because 147830117 - 2²⁰ = 146781541 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 (147835117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73915058 + 73915059.

It is an arithmetic number, because the mean of its divisors is an integer number (73915059).

Almost surely, 2^147830117 is an apocalyptic number.

It is an amenable number.

147830117 is a deficient number, since it is larger than the sum of its proper divisors (1).

147830117 is an equidigital number, since it uses as much as digits as its factorization.

147830117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 147830117 is about 12158.5409075267. The cubic root of 147830117 is about 528.7547804936.

Adding to 147830117 its reverse (711038741), we get a palindrome (858868858).

The spelling of 147830117 in words is "one hundred forty-seven million, eight hundred thirty thousand, one hundred seventeen".