245006141 has 2 divisors, whose sum is σ = 245006142. Its totient is φ = 245006140.

The previous prime is 245006129. The next prime is 245006171. The reversal of 245006141 is 141600542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145106116 + 99900025 = 12046^2 + 9995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245006141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245006101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122503070 + 122503071.

It is an arithmetic number, because the mean of its divisors is an integer number (122503071).

Almost surely, 2^245006141 is an apocalyptic number.

It is an amenable number.

245006141 is a deficient number, since it is larger than the sum of its proper divisors (1).

245006141 is an equidigital number, since it uses as much as digits as its factorization.

245006141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 245006141 is about 15652.6720083186. The cubic root of 245006141 is about 625.7377025826.

Adding to 245006141 its reverse (141600542), we get a palindrome (386606683).

The spelling of 245006141 in words is "two hundred forty-five million, six thousand, one hundred forty-one".