158628587443 has 4 divisors (see below), whose sum is σ = 167959680840. Its totient is φ = 149297494048.

The previous prime is 158628587407. The next prime is 158628587471. The reversal of 158628587443 is 344785826851.

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 158628587443 - 2³³ = 150038652851 is a prime.

It is a super-2 number, since 2×158628587443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158628587473) 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, 4665546673 + ... + 4665546706.

It is an arithmetic number, because the mean of its divisors is an integer number (41989920210).

Almost surely, 2^158628587443 is an apocalyptic number.

158628587443 is a deficient number, since it is larger than the sum of its proper divisors (9331093397).

158628587443 is an equidigital number, since it uses as much as digits as its factorization.

158628587443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331093396.

The product of its digits is 51609600, while the sum is 61.

The spelling of 158628587443 in words is "one hundred fifty-eight billion, six hundred twenty-eight million, five hundred eighty-seven thousand, four hundred forty-three".