145693682177 has 2 divisors, whose sum is σ = 145693682178. Its totient is φ = 145693682176.

The previous prime is 145693682171. The next prime is 145693682179. The reversal of 145693682177 is 771286396541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139792984321 + 5900697856 = 373889^2 + 76816^2 .

It is a cyclic number.

It is not a de Polignac number, because 145693682177 - 2⁴ = 145693682161 is a prime.

Together with 145693682179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145693682171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72846841088 + 72846841089.

It is an arithmetic number, because the mean of its divisors is an integer number (72846841089).

Almost surely, 2^145693682177 is an apocalyptic number.

It is an amenable number.

145693682177 is a deficient number, since it is larger than the sum of its proper divisors (1).

145693682177 is an equidigital number, since it uses as much as digits as its factorization.

145693682177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 59.

The spelling of 145693682177 in words is "one hundred forty-five billion, six hundred ninety-three million, six hundred eighty-two thousand, one hundred seventy-seven".