145235343005224 has 32 divisors (see below), whose sum is σ = 273038919990120. Its totient is φ = 72425111970816.

The previous prime is 145235343005177. The next prime is 145235343005257. The reversal of 145235343005224 is 422500343532541.

It can be written as a sum of positive squares in 4 ways, for example, as 103435368221124 + 41799974784100 = 10170318^2 + 6465290^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354179 + ... + 17096914.

Almost surely, 2^{145235343005224} is an apocalyptic number.

It is an amenable number.

145235343005224 is a deficient number, since it is larger than the sum of its proper divisors (127803576984896).

145235343005224 is a wasteful number, since it uses less digits than its factorization.

145235343005224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18453709 (or 18453705 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 145235343005224 its reverse (422500343532541), we get a palindrome (567735686537765).

The spelling of 145235343005224 in words is "one hundred forty-five trillion, two hundred thirty-five billion, three hundred forty-three million, five thousand, two hundred twenty-four".