153442241 has 2 divisors, whose sum is σ = 153442242. Its totient is φ = 153442240.

The previous prime is 153442229. The next prime is 153442259. The reversal of 153442241 is 142244351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128482225 + 24960016 = 11335^2 + 4996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153442241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153442241.

It is not a weakly prime, because it can be changed into another prime (153444241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76721120 + 76721121.

It is an arithmetic number, because the mean of its divisors is an integer number (76721121).

Almost surely, 2^153442241 is an apocalyptic number.

It is an amenable number.

153442241 is a deficient number, since it is larger than the sum of its proper divisors (1).

153442241 is an equidigital number, since it uses as much as digits as its factorization.

153442241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 26.

The square root of 153442241 is about 12387.1805105117. The cubic root of 153442241 is about 535.3629481740.

Adding to 153442241 its reverse (142244351), we get a palindrome (295686592).

It can be divided in two parts, 15 and 3442241, that multiplied together give a palindrome (51633615).

The spelling of 153442241 in words is "one hundred fifty-three million, four hundred forty-two thousand, two hundred forty-one".