245403514445 has 4 divisors (see below), whose sum is σ = 294484217340. Its totient is φ = 196322811552.

The previous prime is 245403514441. The next prime is 245403514453. The reversal of 245403514445 is 544415304542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75179607721 + 170223906724 = 274189^2 + 412582^2 .

It is a cyclic number.

It is not a de Polignac number, because 245403514445 - 2² = 245403514441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245403514441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24540351440 + ... + 24540351449.

It is an arithmetic number, because the mean of its divisors is an integer number (73621054335).

Almost surely, 2^245403514445 is an apocalyptic number.

It is an amenable number.

245403514445 is a deficient number, since it is larger than the sum of its proper divisors (49080702895).

245403514445 is an equidigital number, since it uses as much as digits as its factorization.

245403514445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49080702894.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 245403514445 its reverse (544415304542), we get a palindrome (789818818987).

The spelling of 245403514445 in words is "two hundred forty-five billion, four hundred three million, five hundred fourteen thousand, four hundred forty-five".