245192243 has 2 divisors, whose sum is σ = 245192244. Its totient is φ = 245192242.

The previous prime is 245192179. The next prime is 245192249. The reversal of 245192243 is 342291542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245192243 - 2⁶ = 245192179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (245192249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122596121 + 122596122.

It is an arithmetic number, because the mean of its divisors is an integer number (122596122).

Almost surely, 2^245192243 is an apocalyptic number.

245192243 is a deficient number, since it is larger than the sum of its proper divisors (1).

245192243 is an equidigital number, since it uses as much as digits as its factorization.

245192243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 245192243 is about 15658.6156156922. The cubic root of 245192243 is about 625.8960953005.

It can be divided in two parts, 24519 and 2243, that added together give a palindrome (26762).

The spelling of 245192243 in words is "two hundred forty-five million, one hundred ninety-two thousand, two hundred forty-three".