245140201 has 2 divisors, whose sum is σ = 245140202. Its totient is φ = 245140200.

The previous prime is 245140193. The next prime is 245140213. The reversal of 245140201 is 102041542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191850201 + 53290000 = 13851^2 + 7300^2 .

It is a cyclic number.

It is not a de Polignac number, because 245140201 - 2³ = 245140193 is a prime.

It is not a weakly prime, because it can be changed into another prime (245140241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122570100 + 122570101.

It is an arithmetic number, because the mean of its divisors is an integer number (122570101).

Almost surely, 2^245140201 is an apocalyptic number.

It is an amenable number.

245140201 is a deficient number, since it is larger than the sum of its proper divisors (1).

245140201 is an equidigital number, since it uses as much as digits as its factorization.

245140201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 245140201 is about 15656.9537586339. The cubic root of 245140201 is about 625.8518100640.

Adding to 245140201 its reverse (102041542), we get a palindrome (347181743).

The spelling of 245140201 in words is "two hundred forty-five million, one hundred forty thousand, two hundred one".