145112240042225 has 6 divisors (see below), whose sum is σ = 179939177652390. Its totient is φ = 116089792033760.

The previous prime is 145112240042179. The next prime is 145112240042233. The reversal of 145112240042225 is 522240042211541.

It can be written as a sum of positive squares in 3 ways, for example, as 24908404052224 + 120203835990001 = 4990832^2 + 10963751^2 .

It is not a de Polignac number, because 145112240042225 - 2⁸ = 145112240041969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2902244800820 + ... + 2902244800869.

It is an arithmetic number, because the mean of its divisors is an integer number (29989862942065).

Almost surely, 2^{145112240042225} is an apocalyptic number.

It is an amenable number.

145112240042225 is a deficient number, since it is larger than the sum of its proper divisors (34826937610165).

145112240042225 is an equidigital number, since it uses as much as digits as its factorization.

145112240042225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804489601699 (or 5804489601694 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 145112240042225 its reverse (522240042211541), we get a palindrome (667352282253766).

The spelling of 145112240042225 in words is "one hundred forty-five trillion, one hundred twelve billion, two hundred forty million, forty-two thousand, two hundred twenty-five".