865730157143 has 8 divisors (see below), whose sum is σ = 889237671168. Its totient is φ = 842534001144.

The previous prime is 865730157101. The next prime is 865730157179. The reversal of 865730157143 is 341751037568.

865730157143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 865730157143 - 2¹² = 865730153047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 865730157091 and 865730157100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865730157343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77833871 + ... + 77844992.

It is an arithmetic number, because the mean of its divisors is an integer number (111154708896).

Almost surely, 2^865730157143 is an apocalyptic number.

865730157143 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

865730157143 is a deficient number, since it is larger than the sum of its proper divisors (23507514025).

865730157143 is a wasteful number, since it uses less digits than its factorization.

865730157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155679013.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 865730157143 in words is "eight hundred sixty-five billion, seven hundred thirty million, one hundred fifty-seven thousand, one hundred forty-three".