881542156 has 12 divisors (see below), whose sum is σ = 1682944200. Its totient is φ = 400700960.

The previous prime is 881542153. The next prime is 881542169. The reversal of 881542156 is 651245188.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (881542153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10017481 + ... + 10017568.

It is an arithmetic number, because the mean of its divisors is an integer number (140245350).

Almost surely, 2^881542156 is an apocalyptic number.

It is an amenable number.

881542156 is a deficient number, since it is larger than the sum of its proper divisors (801402044).

881542156 is a wasteful number, since it uses less digits than its factorization.

881542156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035064 (or 20035062 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The square root of 881542156 is about 29690.7756045544. The cubic root of 881542156 is about 958.8434263160.

The spelling of 881542156 in words is "eight hundred eighty-one million, five hundred forty-two thousand, one hundred fifty-six".