158323307 has 4 divisors (see below), whose sum is σ = 161691936. Its totient is φ = 154954680.

The previous prime is 158323289. The next prime is 158323309. The reversal of 158323307 is 703323851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158323307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158323309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684244 + ... + 1684337.

It is an arithmetic number, because the mean of its divisors is an integer number (40422984).

Almost surely, 2^158323307 is an apocalyptic number.

158323307 is a deficient number, since it is larger than the sum of its proper divisors (3368629).

158323307 is an equidigital number, since it uses as much as digits as its factorization.

158323307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368628.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 158323307 is about 12582.6589797228. The cubic root of 158323307 is about 540.9805082250.

The spelling of 158323307 in words is "one hundred fifty-eight million, three hundred twenty-three thousand, three hundred seven".