158949845757 has 12 divisors (see below), whose sum is σ = 239576579424. Its totient is φ = 101359321800.

The previous prime is 158949845741. The next prime is 158949845771. The reversal of 158949845757 is 757548949851.

It is a happy number.

158949845757 is a `hidden beast` number, since 1 + 5 + 8 + 9 + 49 + 8 + 4 + 575 + 7 = 666.

It is not a de Polignac number, because 158949845757 - 2⁴ = 158949845741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158949845737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383936619 + ... + 383937032.

It is an arithmetic number, because the mean of its divisors is an integer number (19964714952).

Almost surely, 2^158949845757 is an apocalyptic number.

It is an amenable number.

158949845757 is a deficient number, since it is larger than the sum of its proper divisors (80626733667).

158949845757 is a wasteful number, since it uses less digits than its factorization.

158949845757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767873680 (or 767873677 counting only the distinct ones).

The product of its digits is 508032000, while the sum is 72.

The spelling of 158949845757 in words is "one hundred fifty-eight billion, nine hundred forty-nine million, eight hundred forty-five thousand, seven hundred fifty-seven".