245315025244 has 12 divisors (see below), whose sum is σ = 432681620224. Its totient is φ = 121691705184.

The previous prime is 245315025239. The next prime is 245315025253. The reversal of 245315025244 is 442520513542.

It is a super-2 number, since 2×245315025244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 241451289 + ... + 241452304.

Almost surely, 2^245315025244 is an apocalyptic number.

It is an amenable number.

245315025244 is a deficient number, since it is larger than the sum of its proper divisors (187366594980).

245315025244 is a wasteful number, since it uses less digits than its factorization.

245315025244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482903724 (or 482903722 counting only the distinct ones).

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

Adding to 245315025244 its reverse (442520513542), we get a palindrome (687835538786).

The spelling of 245315025244 in words is "two hundred forty-five billion, three hundred fifteen million, twenty-five thousand, two hundred forty-four".