158933431448 has 32 divisors (see below), whose sum is σ = 328442582160. Its totient is φ = 71497697280.

The previous prime is 158933431411. The next prime is 158933431453. The reversal of 158933431448 is 844134339851.

It is a super-2 number, since 2×158933431448² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158933431448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9301061 + ... + 9318132.

Almost surely, 2^158933431448 is an apocalyptic number.

It is an amenable number.

158933431448 is an abundant number, since it is smaller than the sum of its proper divisors (169509150712).

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

158933431448 is a wasteful number, since it uses less digits than its factorization.

158933431448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18619307 (or 18619303 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The spelling of 158933431448 in words is "one hundred fifty-eight billion, nine hundred thirty-three million, four hundred thirty-one thousand, four hundred forty-eight".