159969448 has 8 divisors (see below), whose sum is σ = 299942730. Its totient is φ = 79984720.

The previous prime is 159969437. The next prime is 159969451. The reversal of 159969448 is 844969951.

It can be written as a sum of positive squares in only one way, i.e., 134142724 + 25826724 = 11582^2 + 5082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9998083 + ... + 9998098.

Almost surely, 2^159969448 is an apocalyptic number.

It is an amenable number.

159969448 is a deficient number, since it is larger than the sum of its proper divisors (139973282).

159969448 is a wasteful number, since it uses less digits than its factorization.

159969448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996187 (or 19996183 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The square root of 159969448 is about 12647.9029091783. The cubic root of 159969448 is about 542.8489665831.

The spelling of 159969448 in words is "one hundred fifty-nine million, nine hundred sixty-nine thousand, four hundred forty-eight".