145615133197 has 2 divisors, whose sum is σ = 145615133198. Its totient is φ = 145615133196.

The previous prime is 145615133159. The next prime is 145615133249. The reversal of 145615133197 is 791331516541.

145615133197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120843835876 + 24771297321 = 347626^2 + 157389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145615133197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145615133117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72807566598 + 72807566599.

It is an arithmetic number, because the mean of its divisors is an integer number (72807566599).

Almost surely, 2^145615133197 is an apocalyptic number.

It is an amenable number.

145615133197 is a deficient number, since it is larger than the sum of its proper divisors (1).

145615133197 is an equidigital number, since it uses as much as digits as its factorization.

145615133197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 46.

The spelling of 145615133197 in words is "one hundred forty-five billion, six hundred fifteen million, one hundred thirty-three thousand, one hundred ninety-seven".