159425446 has 4 divisors (see below), whose sum is σ = 239138172. Its totient is φ = 79712722.

The previous prime is 159425437. The next prime is 159425491. The reversal of 159425446 is 644524951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644524951 = 7 ⋅92074993.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 159425399 and 159425408.

It is a congruent number.

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, 39856360 + ... + 39856363.

It is an arithmetic number, because the mean of its divisors is an integer number (59784543).

Almost surely, 2^159425446 is an apocalyptic number.

159425446 is a deficient number, since it is larger than the sum of its proper divisors (79712726).

159425446 is an equidigital number, since it uses as much as digits as its factorization.

159425446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79712725.

The product of its digits is 172800, while the sum is 40.

The square root of 159425446 is about 12626.3789741953. The cubic root of 159425446 is about 542.2329191400.

The spelling of 159425446 in words is "one hundred fifty-nine million, four hundred twenty-five thousand, four hundred forty-six".