147983117 has 2 divisors, whose sum is σ = 147983118. Its totient is φ = 147983116.

The previous prime is 147983083. The next prime is 147983123. The reversal of 147983117 is 711389741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145467721 + 2515396 = 12061^2 + 1586^2 .

It is an emirp because it is prime and its reverse (711389741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147983117 - 2⁶ = 147983053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147983177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73991558 + 73991559.

It is an arithmetic number, because the mean of its divisors is an integer number (73991559).

Almost surely, 2^147983117 is an apocalyptic number.

It is an amenable number.

147983117 is a deficient number, since it is larger than the sum of its proper divisors (1).

147983117 is an equidigital number, since it uses as much as digits as its factorization.

147983117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 41.

The square root of 147983117 is about 12164.8311537810. The cubic root of 147983117 is about 528.9371330244.

The spelling of 147983117 in words is "one hundred forty-seven million, nine hundred eighty-three thousand, one hundred seventeen".