145343503225225 has 6 divisors (see below), whose sum is σ = 180225943999310. Its totient is φ = 116274802580160.

The previous prime is 145343503225223. The next prime is 145343503225231. The reversal of 145343503225225 is 522522305343541.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 923605569936 + 144419897655289 = 961044^2 + 12017483^2 .

It is not a de Polignac number, because 145343503225225 - 2¹ = 145343503225223 is a prime.

It is a super-2 number, since 2×145343503225225² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145343503225223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2906870064480 + ... + 2906870064529.

Almost surely, 2^{145343503225225} is an apocalyptic number.

It is an amenable number.

145343503225225 is a deficient number, since it is larger than the sum of its proper divisors (34882440774085).

145343503225225 is an equidigital number, since it uses as much as digits as its factorization.

145343503225225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813740129019 (or 5813740129014 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 145343503225225 its reverse (522522305343541), we get a palindrome (667865808568766).

The spelling of 145343503225225 in words is "one hundred forty-five trillion, three hundred forty-three billion, five hundred three million, two hundred twenty-five thousand, two hundred twenty-five".