245122505344 has 32 divisors (see below), whose sum is σ = 489417700500. Its totient is φ = 122288259072.

The previous prime is 245122505339. The next prime is 245122505377. The reversal of 245122505344 is 443505221542.

It can be written as a sum of positive squares in 2 ways, for example, as 221991745600 + 23130759744 = 471160^2 + 152088^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×245122505344² (a number of 24 digits) contains 22 as substring.

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, 2075067 + ... + 2190010.

Almost surely, 2^245122505344 is an apocalyptic number.

It is an amenable number.

245122505344 is a deficient number, since it is larger than the sum of its proper divisors (244295195156).

245122505344 is an equidigital number, since it uses as much as digits as its factorization.

245122505344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265540 (or 4265528 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 245122505344 its reverse (443505221542), we get a palindrome (688627726886).

The spelling of 245122505344 in words is "two hundred forty-five billion, one hundred twenty-two million, five hundred five thousand, three hundred forty-four".