115231225240145 has 32 divisors (see below), whose sum is σ = 160553239216128. Its totient is φ = 77757174525888.

The previous prime is 115231225240123. The next prime is 115231225240213. The reversal of 115231225240145 is 541042522132511.

It is a cyclic number.

It is not a de Polignac number, because 115231225240145 - 2⁶ = 115231225240081 is a prime.

It is a super-2 number, since 2×115231225240145² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115231225240099 and 115231225240108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22689329 + ... + 27299598.

It is an arithmetic number, because the mean of its divisors is an integer number (5017288725504).

Almost surely, 2^{115231225240145} is an apocalyptic number.

It is an amenable number.

115231225240145 is a deficient number, since it is larger than the sum of its proper divisors (45322013975983).

115231225240145 is an equidigital number, since it uses as much as digits as its factorization.

115231225240145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49989989.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 115231225240145 its reverse (541042522132511), we get a palindrome (656273747372656).

The spelling of 115231225240145 in words is "one hundred fifteen trillion, two hundred thirty-one billion, two hundred twenty-five million, two hundred forty thousand, one hundred forty-five".