158213 has 8 divisors (see below), whose sum is σ = 181920. Its totient is φ = 136080.

The previous prime is 158209. The next prime is 158227. The reversal of 158213 is 312851.

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 158213 - 2² = 158209 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 (158233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (22740).

2¹⁵⁸²¹³ is an apocalyptic number.

It is an amenable number.

158213 is a deficient number, since it is larger than the sum of its proper divisors (23707).

158213 is a wasteful number, since it uses less digits than its factorization.

158213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 240, while the sum is 20.

The square root of 158213 is about 397.7599778761. The cubic root of 158213 is about 54.0854841739.

It can be divided in two parts, 15 and 8213, that added together give a palindrome (8228).

The spelling of 158213 in words is "one hundred fifty-eight thousand, two hundred thirteen".