245225121152 has 64 divisors (see below), whose sum is σ = 533552909760. Its totient is φ = 111339164160.

The previous prime is 245225121139. The next prime is 245225121191. The reversal of 245225121152 is 251121522542.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144643 + ... + 1341885.

It is an arithmetic number, because the mean of its divisors is an integer number (8336764215).

Almost surely, 2^245225121152 is an apocalyptic number.

245225121152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245225121152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266776454880).

245225121152 is an abundant number, since it is smaller than the sum of its proper divisors (288327788608).

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

245225121152 is a wasteful number, since it uses less digits than its factorization.

245225121152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198151 (or 198139 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

Adding to 245225121152 its reverse (251121522542), we get a palindrome (496346643694).

The spelling of 245225121152 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred fifty-two".