158443226208 has 36 divisors (see below), whose sum is σ = 450572925348. Its totient is φ = 52814408640.

The previous prime is 158443226197. The next prime is 158443226257. The reversal of 158443226208 is 802622344851.

158443226208 is a `hidden beast` number, since 1 + 5 + 8 + 4 + 432 + 2 + 6 + 208 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275074758 + ... + 275075333.

It is an arithmetic number, because the mean of its divisors is an integer number (12515914593).

Almost surely, 2^158443226208 is an apocalyptic number.

158443226208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158443226208 is an abundant number, since it is smaller than the sum of its proper divisors (292129699140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158443226208 is a wasteful number, since it uses less digits than its factorization.

158443226208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550150107 (or 550150096 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 158443226208 in words is "one hundred fifty-eight billion, four hundred forty-three million, two hundred twenty-six thousand, two hundred eight".