145234675282225 has 27 divisors (see below), whose sum is σ = 184593733995841. Its totient is φ = 113351964689600.

The previous prime is 145234675282217. The next prime is 145234675282289. The reversal of 145234675282225 is 522282576432541.

The square root of 145234675282225 is 12051335.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 61131616206241 + 84103059075984 = 7818671^2 + 9170772^2 .

It is not a de Polignac number, because 145234675282225 - 2³ = 145234675282217 is a prime.

It is a super-3 number, since 3×145234675282225³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145234675282225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2470494282 + ... + 2470553068.

Almost surely, 2^{145234675282225} is an apocalyptic number.

145234675282225 is the 12051335-th square number.

145234675282225 is the 6025668-th centered octagonal number.

It is an amenable number.

145234675282225 is a deficient number, since it is larger than the sum of its proper divisors (39359058713616).

145234675282225 is an frugal number, since it uses more digits than its factorization.

145234675282225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117666 (or 58833 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 58.

The spelling of 145234675282225 in words is "one hundred forty-five trillion, two hundred thirty-four billion, six hundred seventy-five million, two hundred eighty-two thousand, two hundred twenty-five".