158643752243 has 8 divisors (see below), whose sum is σ = 160149994368. Its totient is φ = 157139305344.

The previous prime is 158643752237. The next prime is 158643752261. The reversal of 158643752243 is 342257346851.

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 158643752243 - 2⁴ = 158643752227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158643752191 and 158643752200.

It is not an unprimeable number, because it can be changed into a prime (158643752213) 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 in 7 ways as a sum of consecutive naturals, for example, 270896 + ... + 625037.

It is an arithmetic number, because the mean of its divisors is an integer number (20018749296).

Almost surely, 2^158643752243 is an apocalyptic number.

158643752243 is a deficient number, since it is larger than the sum of its proper divisors (1506242125).

158643752243 is a wasteful number, since it uses less digits than its factorization.

158643752243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897613.

The product of its digits is 4838400, while the sum is 50.

The spelling of 158643752243 in words is "one hundred fifty-eight billion, six hundred forty-three million, seven hundred fifty-two thousand, two hundred forty-three".