159481970 has 8 divisors (see below), whose sum is σ = 287067564. Its totient is φ = 63792784.

The previous prime is 159481939. The next prime is 159481997. The reversal of 159481970 is 79184951.

It can be written as a sum of positive squares in 2 ways, for example, as 140446201 + 19035769 = 11851^2 + 4363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7974089 + ... + 7974108.

Almost surely, 2^159481970 is an apocalyptic number.

159481970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159481970 is a deficient number, since it is larger than the sum of its proper divisors (127585594).

159481970 is a wasteful number, since it uses less digits than its factorization.

159481970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948204.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 159481970 is about 12628.6171056058. The cubic root of 159481970 is about 542.2969941309.

The spelling of 159481970 in words is "one hundred fifty-nine million, four hundred eighty-one thousand, nine hundred seventy".