159751982 has 12 divisors (see below), whose sum is σ = 259479360. Its totient is φ = 73731528.

The previous prime is 159751973. The next prime is 159751987. The reversal of 159751982 is 289157951.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159751987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235982 + ... + 236657.

It is an arithmetic number, because the mean of its divisors is an integer number (21623280).

Almost surely, 2^159751982 is an apocalyptic number.

159751982 is a deficient number, since it is larger than the sum of its proper divisors (99727378).

159751982 is a wasteful number, since it uses less digits than its factorization.

159751982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472667 (or 472654 counting only the distinct ones).

The product of its digits is 226800, while the sum is 47.

The square root of 159751982 is about 12639.3030662296. The cubic root of 159751982 is about 542.6028680747.

The spelling of 159751982 in words is "one hundred fifty-nine million, seven hundred fifty-one thousand, nine hundred eighty-two".