158747443 has 4 divisors (see below), whose sum is σ = 162439288. Its totient is φ = 155055600.

The previous prime is 158747441. The next prime is 158747461. The reversal of 158747443 is 344747851.

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 158747443 - 2¹ = 158747441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 3691801 = 158747443 / (1 + 5 + 8 + 7 + 4 + 7 + 4 + 4 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158747443.

It is not an unprimeable number, because it can be changed into a prime (158747441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845858 + ... + 1845943.

It is an arithmetic number, because the mean of its divisors is an integer number (40609822).

Almost surely, 2^158747443 is an apocalyptic number.

158747443 is a deficient number, since it is larger than the sum of its proper divisors (3691845).

158747443 is an equidigital number, since it uses as much as digits as its factorization.

158747443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691844.

The product of its digits is 376320, while the sum is 43.

The square root of 158747443 is about 12599.5016964958. The cubic root of 158747443 is about 541.4631592534.

The spelling of 158747443 in words is "one hundred fifty-eight million, seven hundred forty-seven thousand, four hundred forty-three".