158143867 has 8 divisors (see below), whose sum is σ = 181594112. Its totient is φ = 134908200.

The previous prime is 158143841. The next prime is 158143889. The reversal of 158143867 is 768341851.

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

It is not a de Polignac number, because 158143867 - 2²⁷ = 23926139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158143267) 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, 52059 + ... + 55012.

It is an arithmetic number, because the mean of its divisors is an integer number (22699264).

Almost surely, 2^158143867 is an apocalyptic number.

158143867 is a deficient number, since it is larger than the sum of its proper divisors (23450245).

158143867 is a wasteful number, since it uses less digits than its factorization.

158143867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107289.

The product of its digits is 161280, while the sum is 43.

The square root of 158143867 is about 12575.5265098524. The cubic root of 158143867 is about 540.7760526693.

The spelling of 158143867 in words is "one hundred fifty-eight million, one hundred forty-three thousand, eight hundred sixty-seven".