145843102225 has 6 divisors (see below), whose sum is σ = 180845446790. Its totient is φ = 116674481760.

The previous prime is 145843102219. The next prime is 145843102241. The reversal of 145843102225 is 522201348541.

It can be written as a sum of positive squares in 3 ways, for example, as 71098624 + 145772003601 = 8432^2 + 381801^2 .

It is not a de Polignac number, because 145843102225 - 2⁹ = 145843101713 is a prime.

It is a super-2 number, since 2×145843102225² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2916862020 + ... + 2916862069.

Almost surely, 2^145843102225 is an apocalyptic number.

It is an amenable number.

145843102225 is a deficient number, since it is larger than the sum of its proper divisors (35002344565).

145843102225 is an equidigital number, since it uses as much as digits as its factorization.

145843102225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833724099 (or 5833724094 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 145843102225 in words is "one hundred forty-five billion, eight hundred forty-three million, one hundred two thousand, two hundred twenty-five".