147946241 has 2 divisors, whose sum is σ = 147946242. Its totient is φ = 147946240.

The previous prime is 147946171. The next prime is 147946247. The reversal of 147946241 is 142649741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118352641 + 29593600 = 10879^2 + 5440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147946241 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 147946195 and 147946204.

It is not a weakly prime, because it can be changed into another prime (147946247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73973120 + 73973121.

It is an arithmetic number, because the mean of its divisors is an integer number (73973121).

Almost surely, 2^147946241 is an apocalyptic number.

It is an amenable number.

147946241 is a deficient number, since it is larger than the sum of its proper divisors (1).

147946241 is an equidigital number, since it uses as much as digits as its factorization.

147946241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 147946241 is about 12163.3153786293. The cubic root of 147946241 is about 528.8931939893.

The spelling of 147946241 in words is "one hundred forty-seven million, nine hundred forty-six thousand, two hundred forty-one".