158205313 has 4 divisors (see below), whose sum is σ = 180806080. Its totient is φ = 135604548.

The previous prime is 158205287. The next prime is 158205317. The reversal of 158205313 is 313502851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158205313 is a prime.

It is a super-2 number, since 2×158205313² = 50057842122855938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158205317) 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 3 ways as a sum of consecutive naturals, for example, 11300373 + ... + 11300386.

It is an arithmetic number, because the mean of its divisors is an integer number (45201520).

Almost surely, 2^158205313 is an apocalyptic number.

It is an amenable number.

158205313 is a deficient number, since it is larger than the sum of its proper divisors (22600767).

158205313 is an equidigital number, since it uses as much as digits as its factorization.

158205313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22600766.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 158205313 is about 12577.9693512109. The cubic root of 158205313 is about 540.8460822006.

The spelling of 158205313 in words is "one hundred fifty-eight million, two hundred five thousand, three hundred thirteen".