245525153245 has 4 divisors (see below), whose sum is σ = 294630183900. Its totient is φ = 196420122592.

The previous prime is 245525153239. The next prime is 245525153267. The reversal of 245525153245 is 542351525542.

245525153245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 68161199929 + 177363953316 = 261077^2 + 421146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245525153245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24552515320 + ... + 24552515329.

It is an arithmetic number, because the mean of its divisors is an integer number (73657545975).

Almost surely, 2^245525153245 is an apocalyptic number.

It is an amenable number.

245525153245 is a deficient number, since it is larger than the sum of its proper divisors (49105030655).

245525153245 is an equidigital number, since it uses as much as digits as its factorization.

245525153245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49105030654.

The product of its digits is 1200000, while the sum is 43.

Adding to 245525153245 its reverse (542351525542), we get a palindrome (787876678787).

The spelling of 245525153245 in words is "two hundred forty-five billion, five hundred twenty-five million, one hundred fifty-three thousand, two hundred forty-five".