76145189 has 2 divisors, whose sum is σ = 76145190. Its totient is φ = 76145188.

The previous prime is 76145137. The next prime is 76145197. The reversal of 76145189 is 98154167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 35402500 = 6383^2 + 5950^2 .

It is a cyclic number.

It is not a de Polignac number, because 76145189 - 2⁸ = 76144933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_4457597 and since 76145189 and 4457597 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76145129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38072594 + 38072595.

It is an arithmetic number, because the mean of its divisors is an integer number (38072595).

Almost surely, 2^76145189 is an apocalyptic number.

It is an amenable number.

76145189 is a deficient number, since it is larger than the sum of its proper divisors (1).

76145189 is an equidigital number, since it uses as much as digits as its factorization.

76145189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 76145189 is about 8726.1210741085. The cubic root of 76145189 is about 423.8519214871.

The spelling of 76145189 in words is "seventy-six million, one hundred forty-five thousand, one hundred eighty-nine".