245240141 has 2 divisors, whose sum is σ = 245240142. Its totient is φ = 245240140.

The previous prime is 245240077. The next prime is 245240161. The reversal of 245240141 is 141042542.

245240141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152522500 + 92717641 = 12350^2 + 9629^2 .

It is a cyclic number.

It is not a de Polignac number, because 245240141 - 2⁶ = 245240077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245240161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122620070 + 122620071.

It is an arithmetic number, because the mean of its divisors is an integer number (122620071).

Almost surely, 2^245240141 is an apocalyptic number.

It is an amenable number.

245240141 is a deficient number, since it is larger than the sum of its proper divisors (1).

245240141 is an equidigital number, since it uses as much as digits as its factorization.

245240141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 245240141 is about 15660.1449865574. The cubic root of 245240141 is about 625.9368486550.

Adding to 245240141 its reverse (141042542), we get a palindrome (386282683).

The spelling of 245240141 in words is "two hundred forty-five million, two hundred forty thousand, one hundred forty-one".