245343242544 has 20 divisors (see below), whose sum is σ = 633803376696. Its totient is φ = 81781080832.

The previous prime is 245343242513. The next prime is 245343242567. The reversal of 245343242544 is 445242343542.

It is a junction number, because it is equal to n+sod(n) for n = 245343242496 and 245343242505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555658729 + ... + 2555658824.

Almost surely, 2^245343242544 is an apocalyptic number.

245343242544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245343242544 is an abundant number, since it is smaller than the sum of its proper divisors (388460134152).

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

245343242544 is a wasteful number, since it uses less digits than its factorization.

245343242544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111317564 (or 5111317558 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 42.

The spelling of 245343242544 in words is "two hundred forty-five billion, three hundred forty-three million, two hundred forty-two thousand, five hundred forty-four".