158028213 has 8 divisors (see below), whose sum is σ = 240804928. Its totient is φ = 90301824.

The previous prime is 158028197. The next prime is 158028217. The reversal of 158028213 is 312820851.

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

It is not a de Polignac number, because 158028213 - 2⁴ = 158028197 is a prime.

It is a super-2 number, since 2×158028213² = 49945832207946738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158028217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762556 + ... + 3762597.

It is an arithmetic number, because the mean of its divisors is an integer number (30100616).

Almost surely, 2^158028213 is an apocalyptic number.

It is an amenable number.

158028213 is a deficient number, since it is larger than the sum of its proper divisors (82776715).

158028213 is an equidigital number, since it uses as much as digits as its factorization.

158028213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525163.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 158028213 is about 12570.9272927656. The cubic root of 158028213 is about 540.6441934803.

The spelling of 158028213 in words is "one hundred fifty-eight million, twenty-eight thousand, two hundred thirteen".