158212 has 12 divisors (see below), whose sum is σ = 284620. Its totient is φ = 76896.

The previous prime is 158209. The next prime is 158227. The reversal of 158212 is 212851.

It can be written as a sum of positive squares in 2 ways, for example, as 111556 + 46656 = 334^2 + 216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387 + ... + 682.

2¹⁵⁸²¹² is an apocalyptic number.

It is an amenable number.

158212 is a deficient number, since it is larger than the sum of its proper divisors (126408).

158212 is a wasteful number, since it uses less digits than its factorization.

158212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1108 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 158212 is about 397.7587208346. The cubic root of 158212 is about 54.0853702229.

The spelling of 158212 in words is "one hundred fifty-eight thousand, two hundred twelve".