245375152445 has 4 divisors (see below), whose sum is σ = 294450182940. Its totient is φ = 196300121952.

The previous prime is 245375152427. The next prime is 245375152481. The reversal of 245375152445 is 544251573542.

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 57835921081 + 187539231364 = 240491^2 + 433058^2 .

It is a cyclic number.

It is not a de Polignac number, because 245375152445 - 2¹⁶ = 245375086909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245375152445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24537515240 + ... + 24537515249.

It is an arithmetic number, because the mean of its divisors is an integer number (73612545735).

Almost surely, 2^245375152445 is an apocalyptic number.

It is an amenable number.

245375152445 is a deficient number, since it is larger than the sum of its proper divisors (49075030495).

245375152445 is an equidigital number, since it uses as much as digits as its factorization.

245375152445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49075030494.

The product of its digits is 3360000, while the sum is 47.

The spelling of 245375152445 in words is "two hundred forty-five billion, three hundred seventy-five million, one hundred fifty-two thousand, four hundred forty-five".