159869456 has 30 divisors (see below), whose sum is σ = 313913502. Its totient is φ = 78873600.

The previous prime is 159869447. The next prime is 159869467. The reversal of 159869456 is 654968951.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 99856 = 12640^2 + 316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 159869398 and 159869407.

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 in 5 ways as a sum of consecutive naturals, for example, 99056 + ... + 100656.

Almost surely, 2^159869456 is an apocalyptic number.

159869456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159869456 is a deficient number, since it is larger than the sum of its proper divisors (154044046).

159869456 is an equidigital number, since it uses as much as digits as its factorization.

159869456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1682 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 53.

The square root of 159869456 is about 12643.9493830053. The cubic root of 159869456 is about 542.7358369237.

The spelling of 159869456 in words is "one hundred fifty-nine million, eight hundred sixty-nine thousand, four hundred fifty-six".