145651502025173 has 2 divisors, whose sum is σ = 145651502025174. Its totient is φ = 145651502025172.

The previous prime is 145651502025137. The next prime is 145651502025221. The reversal of 145651502025173 is 371520205156541.

Together with previous prime (145651502025137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128608822779889 + 17042679245284 = 11340583^2 + 4128278^2 .

It is a cyclic number.

It is not a de Polignac number, because 145651502025173 - 2¹⁶ = 145651501959637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145651502045173) by changing a digit.

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 as a sum of consecutive naturals, namely, 72825751012586 + 72825751012587.

It is an arithmetic number, because the mean of its divisors is an integer number (72825751012587).

Almost surely, 2^{145651502025173} is an apocalyptic number.

It is an amenable number.

145651502025173 is a deficient number, since it is larger than the sum of its proper divisors (1).

145651502025173 is an equidigital number, since it uses as much as digits as its factorization.

145651502025173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 145651502025173 in words is "one hundred forty-five trillion, six hundred fifty-one billion, five hundred two million, twenty-five thousand, one hundred seventy-three".