158381347 has 4 divisors (see below), whose sum is σ = 160289640. Its totient is φ = 156473056.

The previous prime is 158381317. The next prime is 158381351. The reversal of 158381347 is 743183851.

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

It is a cyclic number.

It is not a de Polignac number, because 158381347 - 2⁷ = 158381219 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158381317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954022 + ... + 954187.

It is an arithmetic number, because the mean of its divisors is an integer number (40072410).

Almost surely, 2^158381347 is an apocalyptic number.

158381347 is a deficient number, since it is larger than the sum of its proper divisors (1908293).

158381347 is an equidigital number, since it uses as much as digits as its factorization.

158381347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908292.

The product of its digits is 80640, while the sum is 40.

The square root of 158381347 is about 12584.9651171547. The cubic root of 158381347 is about 541.0466064583.

The spelling of 158381347 in words is "one hundred fifty-eight million, three hundred eighty-one thousand, three hundred forty-seven".