245421423052 has 24 divisors (see below), whose sum is σ = 462565612656. Its totient is φ = 113261477568.

The previous prime is 245421422999. The next prime is 245421423127. The reversal of 245421423052 is 250324124542.

It is a junction number, because it is equal to n+sod(n) for n = 245421422999 and 245421423017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407883 + ... + 810685.

It is an arithmetic number, because the mean of its divisors is an integer number (19273567194).

Almost surely, 2^245421423052 is an apocalyptic number.

It is an amenable number.

245421423052 is a deficient number, since it is larger than the sum of its proper divisors (217144189604).

245421423052 is a wasteful number, since it uses less digits than its factorization.

245421423052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414537 (or 414535 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 245421423052 its reverse (250324124542), we get a palindrome (495745547594).

The spelling of 245421423052 in words is "two hundred forty-five billion, four hundred twenty-one million, four hundred twenty-three thousand, fifty-two".