158844424448852 has 12 divisors (see below), whose sum is σ = 278022169510260. Its totient is φ = 79409518874496.

The previous prime is 158844424448839. The next prime is 158844424448881. The reversal of 158844424448852 is 258844424448851.

It can be written as a sum of positive squares in 2 ways, for example, as 152740036310416 + 6104388138436 = 12358804^2 + 2470706^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3173309327 + ... + 3173359382.

It is an arithmetic number, because the mean of its divisors is an integer number (23168514125855).

Almost surely, 2^{158844424448852} is an apocalyptic number.

It is an amenable number.

158844424448852 is a deficient number, since it is larger than the sum of its proper divisors (119177745061408).

158844424448852 is a wasteful number, since it uses less digits than its factorization.

158844424448852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346674970 (or 6346674968 counting only the distinct ones).

The product of its digits is 1677721600, while the sum is 71.

Subtracting 158844424448852 from its reverse (258844424448851), we obtain a palindrome (99999999999999).

The spelling of 158844424448852 in words is "one hundred fifty-eight trillion, eight hundred forty-four billion, four hundred twenty-four million, four hundred forty-eight thousand, eight hundred fifty-two".