158243763 has 8 divisors (see below), whose sum is σ = 213167248. Its totient is φ = 104408064.

The previous prime is 158243753. The next prime is 158243773. The reversal of 158243763 is 367342851.

It is an interprime number because it is at equal distance from previous prime (158243753) and next prime (158243773).

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

It is not a de Polignac number, because 158243763 - 2⁸ = 158243507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158243753) 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 7 ways as a sum of consecutive naturals, for example, 271606 + ... + 272187.

It is an arithmetic number, because the mean of its divisors is an integer number (26645906).

Almost surely, 2^158243763 is an apocalyptic number.

158243763 is a deficient number, since it is larger than the sum of its proper divisors (54923485).

158243763 is an equidigital number, since it uses as much as digits as its factorization.

158243763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543893.

The product of its digits is 120960, while the sum is 39.

The square root of 158243763 is about 12579.4977244722. The cubic root of 158243763 is about 540.8898941455.

The spelling of 158243763 in words is "one hundred fifty-eight million, two hundred forty-three thousand, seven hundred sixty-three".