245405113243 has 16 divisors (see below), whose sum is σ = 247442227200. Its totient is φ = 243378495360.

The previous prime is 245405113193. The next prime is 245405113271. The reversal of 245405113243 is 342311504542.

It is a cyclic number.

It is not a de Polignac number, because 245405113243 - 2¹³ = 245405105051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245405113199 and 245405113208.

It is not an unprimeable number, because it can be changed into a prime (245405113543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78628723 + ... + 78631843.

It is an arithmetic number, because the mean of its divisors is an integer number (15465139200).

Almost surely, 2^245405113243 is an apocalyptic number.

245405113243 is a deficient number, since it is larger than the sum of its proper divisors (2037113957).

245405113243 is a wasteful number, since it uses less digits than its factorization.

245405113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 245405113243 its reverse (342311504542), we get a palindrome (587716617785).

The spelling of 245405113243 in words is "two hundred forty-five billion, four hundred five million, one hundred thirteen thousand, two hundred forty-three".