158043905772 has 48 divisors (see below), whose sum is σ = 386056188672. Its totient is φ = 50226644160.

The previous prime is 158043905741. The next prime is 158043905807. The reversal of 158043905772 is 277509340851.

158043905772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847879 + ... + 1017342.

It is an arithmetic number, because the mean of its divisors is an integer number (8042837264).

Almost surely, 2^158043905772 is an apocalyptic number.

158043905772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158043905772 is an abundant number, since it is smaller than the sum of its proper divisors (228012282900).

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

158043905772 is a wasteful number, since it uses less digits than its factorization.

158043905772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865558 (or 1865556 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 158043905772 in words is "one hundred fifty-eight billion, forty-three million, nine hundred five thousand, seven hundred seventy-two".