245122505452 has 48 divisors (see below), whose sum is σ = 485084920320. Its totient is φ = 107357902400.

The previous prime is 245122505389. The next prime is 245122505461. The reversal of 245122505452 is 254505221542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430893 + ... + 822139.

It is an arithmetic number, because the mean of its divisors is an integer number (10105935840).

Almost surely, 2^245122505452 is an apocalyptic number.

245122505452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245122505452 is a deficient number, since it is larger than the sum of its proper divisors (239962414868).

245122505452 is a wasteful number, since it uses less digits than its factorization.

245122505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391782 (or 391780 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 245122505452 its reverse (254505221542), we get a palindrome (499627726994).

The spelling of 245122505452 in words is "two hundred forty-five billion, one hundred twenty-two million, five hundred five thousand, four hundred fifty-two".