768045143 has 4 divisors (see below), whose sum is σ = 768371448. Its totient is φ = 767718840.

The previous prime is 768045133. The next prime is 768045167. The reversal of 768045143 is 341540867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341540867 = 6571 ⋅51977.

It is a cyclic number.

It is not a de Polignac number, because 768045143 - 2¹⁸ = 767782999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768045097 and 768045106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768045133) 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 in 3 ways as a sum of consecutive naturals, for example, 159596 + ... + 164337.

It is an arithmetic number, because the mean of its divisors is an integer number (192092862).

Almost surely, 2^768045143 is an apocalyptic number.

768045143 is a deficient number, since it is larger than the sum of its proper divisors (326305).

768045143 is a wasteful number, since it uses less digits than its factorization.

768045143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326304.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 768045143 is about 27713.6273879837. The cubic root of 768045143 is about 915.7893366894.

The spelling of 768045143 in words is "seven hundred sixty-eight million, forty-five thousand, one hundred forty-three".