245323443 has 8 divisors (see below), whose sum is σ = 330274048. Its totient is φ = 161960904.

The previous prime is 245323439. The next prime is 245323457. The reversal of 245323443 is 344323542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245323443 - 2² = 245323439 is a prime.

It is a super-3 number, since 3×245323443³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245323443.

It is not an unprimeable number, because it can be changed into a prime (245323433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396655 + ... + 397272.

It is an arithmetic number, because the mean of its divisors is an integer number (41284256).

Almost surely, 2^245323443 is an apocalyptic number.

245323443 is a deficient number, since it is larger than the sum of its proper divisors (84950605).

245323443 is a wasteful number, since it uses less digits than its factorization.

245323443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794033.

The product of its digits is 34560, while the sum is 30.

The square root of 245323443 is about 15662.8044423724. The cubic root of 245323443 is about 626.0077123787.

Adding to 245323443 its reverse (344323542), we get a palindrome (589646985).

Subtracting 245323443 from its reverse (344323542), we obtain a palindrome (99000099).

The spelling of 245323443 in words is "two hundred forty-five million, three hundred twenty-three thousand, four hundred forty-three".