245044343 has 2 divisors, whose sum is σ = 245044344. Its totient is φ = 245044342.

The previous prime is 245044339. The next prime is 245044363. The reversal of 245044343 is 343440542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245044343 - 2² = 245044339 is a prime.

It is equal to p_13422980 and since 245044343 and 13422980 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245044363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122522171 + 122522172.

It is an arithmetic number, because the mean of its divisors is an integer number (122522172).

Almost surely, 2^245044343 is an apocalyptic number.

245044343 is a deficient number, since it is larger than the sum of its proper divisors (1).

245044343 is an equidigital number, since it uses as much as digits as its factorization.

245044343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 245044343 is about 15653.8922635874. The cubic root of 245044343 is about 625.7702231136.

Adding to 245044343 its reverse (343440542), we get a palindrome (588484885).

The spelling of 245044343 in words is "two hundred forty-five million, forty-four thousand, three hundred forty-three".