158889811445 has 16 divisors (see below), whose sum is σ = 200733536640. Its totient is φ = 120403381824.

The previous prime is 158889811439. The next prime is 158889811453. The reversal of 158889811445 is 544118988851.

It is not a de Polignac number, because 158889811445 - 2²⁰ = 158888762869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515432 + ... + 763838.

It is an arithmetic number, because the mean of its divisors is an integer number (12545846040).

Almost surely, 2^158889811445 is an apocalyptic number.

It is an amenable number.

158889811445 is a deficient number, since it is larger than the sum of its proper divisors (41843725195).

158889811445 is a wasteful number, since it uses less digits than its factorization.

158889811445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255164.

The product of its digits is 14745600, while the sum is 62.

The spelling of 158889811445 in words is "one hundred fifty-eight billion, eight hundred eighty-nine million, eight hundred eleven thousand, four hundred forty-five".