145647570073 has 2 divisors, whose sum is σ = 145647570074. Its totient is φ = 145647570072.

The previous prime is 145647570067. The next prime is 145647570113. The reversal of 145647570073 is 370075746541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144866255769 + 781314304 = 380613^2 + 27952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145647570073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145647569999 and 145647570026.

It is not a weakly prime, because it can be changed into another prime (145647573073) 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, 72823785036 + 72823785037.

It is an arithmetic number, because the mean of its divisors is an integer number (72823785037).

Almost surely, 2^145647570073 is an apocalyptic number.

It is an amenable number.

145647570073 is a deficient number, since it is larger than the sum of its proper divisors (1).

145647570073 is an equidigital number, since it uses as much as digits as its factorization.

145647570073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 145647570073 in words is "one hundred forty-five billion, six hundred forty-seven million, five hundred seventy thousand, seventy-three".