153040241 has 2 divisors, whose sum is σ = 153040242. Its totient is φ = 153040240.

The previous prime is 153040157. The next prime is 153040243. The reversal of 153040241 is 142040351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110334016 + 42706225 = 10504^2 + 6535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153040241 is a prime.

It is a Sophie Germain prime.

Together with 153040243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (153040243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76520120 + 76520121.

It is an arithmetic number, because the mean of its divisors is an integer number (76520121).

Almost surely, 2^153040241 is an apocalyptic number.

It is an amenable number.

153040241 is a deficient number, since it is larger than the sum of its proper divisors (1).

153040241 is an equidigital number, since it uses as much as digits as its factorization.

153040241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 153040241 is about 12370.9434159243. The cubic root of 153040241 is about 534.8950106963.

Adding to 153040241 its reverse (142040351), we get a palindrome (295080592).

The spelling of 153040241 in words is "one hundred fifty-three million, forty thousand, two hundred forty-one".