159420188 has 24 divisors (see below), whose sum is σ = 282315264. Its totient is φ = 78764400.

The previous prime is 159420181. The next prime is 159420223. The reversal of 159420188 is 881024951.

159420188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159420181) 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 7 ways as a sum of consecutive naturals, for example, 160373 + ... + 161363.

It is an arithmetic number, because the mean of its divisors is an integer number (11763136).

Almost surely, 2^159420188 is an apocalyptic number.

It is an amenable number.

159420188 is a deficient number, since it is larger than the sum of its proper divisors (122895076).

159420188 is a wasteful number, since it uses less digits than its factorization.

159420188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 159420188 is about 12626.1707575971. The cubic root of 159420188 is about 542.2269579585.

The spelling of 159420188 in words is "one hundred fifty-nine million, four hundred twenty thousand, one hundred eighty-eight".