158783 has 8 divisors (see below), whose sum is σ = 171120. Its totient is φ = 146880.

The previous prime is 158777. The next prime is 158791. The reversal of 158783 is 387851.

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 158783 - 2⁸ = 158527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (21390).

2¹⁵⁸⁷⁸³ is an apocalyptic number.

158783 is a deficient number, since it is larger than the sum of its proper divisors (12337).

158783 is a wasteful number, since it uses less digits than its factorization.

158783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its digits is 6720, while the sum is 32.

The square root of 158783 is about 398.4758461940. The cubic root of 158783 is about 54.1503582725.

The spelling of 158783 in words is "one hundred fifty-eight thousand, seven hundred eighty-three".