7145766382 has 4 divisors (see below), whose sum is σ = 10718649576. Its totient is φ = 3572883190.

The previous prime is 7145766347. The next prime is 7145766389. The reversal of 7145766382 is 2836675417.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7145766382² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145766389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786441594 + ... + 1786441597.

It is an arithmetic number, because the mean of its divisors is an integer number (2679662394).

Almost surely, 2^7145766382 is an apocalyptic number.

7145766382 is a deficient number, since it is larger than the sum of its proper divisors (3572883194).

7145766382 is a wasteful number, since it uses less digits than its factorization.

7145766382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572883193.

The product of its digits is 1693440, while the sum is 49.

The square root of 7145766382 is about 84532.6350115741. The cubic root of 7145766382 is about 1926.1182130355.

The spelling of 7145766382 in words is "seven billion, one hundred forty-five million, seven hundred sixty-six thousand, three hundred eighty-two".