147242741 has 2 divisors, whose sum is σ = 147242742. Its totient is φ = 147242740.

The previous prime is 147242717. The next prime is 147242783.

147242741 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91680625 + 55562116 = 9575^2 + 7454^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 147242741 - 2¹⁴ = 147226357 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147242698 and 147242707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147242791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73621370 + 73621371.

It is an arithmetic number, because the mean of its divisors is an integer number (73621371).

Almost surely, 2^147242741 is an apocalyptic number.

It is an amenable number.

147242741 is a deficient number, since it is larger than the sum of its proper divisors (1).

147242741 is an equidigital number, since it uses as much as digits as its factorization.

147242741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 32.

The square root of 147242741 is about 12134.3619939410. The cubic root of 147242741 is about 528.0535473796.

The spelling of 147242741 in words is "one hundred forty-seven million, two hundred forty-two thousand, seven hundred forty-one".