147144773 has 2 divisors, whose sum is σ = 147144774. Its totient is φ = 147144772.

The previous prime is 147144737. The next prime is 147144787. The reversal of 147144773 is 377441741.

Together with previous prime (147144737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139405249 + 7739524 = 11807^2 + 2782^2 .

It is an emirp because it is prime and its reverse (377441741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147144773 - 2¹⁰ = 147143749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147141773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73572386 + 73572387.

It is an arithmetic number, because the mean of its divisors is an integer number (73572387).

Almost surely, 2^147144773 is an apocalyptic number.

It is an amenable number.

147144773 is a deficient number, since it is larger than the sum of its proper divisors (1).

147144773 is an equidigital number, since it uses as much as digits as its factorization.

147144773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 38.

The square root of 147144773 is about 12130.3245216276. The cubic root of 147144773 is about 527.9364078697.

The spelling of 147144773 in words is "one hundred forty-seven million, one hundred forty-four thousand, seven hundred seventy-three".