245243443 has 8 divisors (see below), whose sum is σ = 250235136. Its totient is φ = 240294600.

The previous prime is 245243441. The next prime is 245243483. The reversal of 245243443 is 344342542.

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

It is not a de Polignac number, because 245243443 - 2¹ = 245243441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245243441) 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, 978 + ... + 22168.

It is an arithmetic number, because the mean of its divisors is an integer number (31279392).

Almost surely, 2^245243443 is an apocalyptic number.

245243443 is a deficient number, since it is larger than the sum of its proper divisors (4991693).

245243443 is a wasteful number, since it uses less digits than its factorization.

245243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21425.

The product of its digits is 46080, while the sum is 31.

The square root of 245243443 is about 15660.2504130681. The cubic root of 245243443 is about 625.9396579208.

Adding to 245243443 its reverse (344342542), we get a palindrome (589585985).

Subtracting 245243443 from its reverse (344342542), we obtain a palindrome (99099099).

The spelling of 245243443 in words is "two hundred forty-five million, two hundred forty-three thousand, four hundred forty-three".