245344345454544 has 120 divisors (see below), whose sum is σ = 738824013308160. Its totient is φ = 69952040911872.

The previous prime is 245344345454519. The next prime is 245344345454557. The reversal of 245344345454544 is 445454543443542.

It is a super-2 number, since 2×245344345454544² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107759689 + ... + 110012904.

It is an arithmetic number, because the mean of its divisors is an integer number (6156866777568).

Almost surely, 2^{245344345454544} is an apocalyptic number.

245344345454544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245344345454544 is an abundant number, since it is smaller than the sum of its proper divisors (493479667853616).

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

245344345454544 is a wasteful number, since it uses less digits than its factorization.

245344345454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217773097 (or 217773084 counting only the distinct ones).

The product of its digits is 737280000, while the sum is 60.

The spelling of 245344345454544 in words is "two hundred forty-five trillion, three hundred forty-four billion, three hundred forty-five million, four hundred fifty-four thousand, five hundred forty-four".