245322153225 has 192 divisors, whose sum is σ = 502439270400. Its totient is φ = 116784011520.

The previous prime is 245322153221. The next prime is 245322153227. The reversal of 245322153225 is 522351223542.

It is a happy number.

245322153225 is a `hidden beast` number, since 2 + 4 + 5 + 322 + 1 + 5 + 322 + 5 = 666.

It is not a de Polignac number, because 245322153225 - 2² = 245322153221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245322153225.

It is not an unprimeable number, because it can be changed into a prime (245322153221) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19757119 + ... + 19769531.

It is an arithmetic number, because the mean of its divisors is an integer number (2616871200).

Almost surely, 2^245322153225 is an apocalyptic number.

245322153225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245322153225 is an abundant number, since it is smaller than the sum of its proper divisors (257117117175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245322153225 is a wasteful number, since it uses less digits than its factorization.

245322153225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541 (or 12530 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 245322153225 its reverse (522351223542), we get a palindrome (767673376767).

The spelling of 245322153225 in words is "two hundred forty-five billion, three hundred twenty-two million, one hundred fifty-three thousand, two hundred twenty-five".