159425238 has 96 divisors (see below), whose sum is σ = 401644800. Its totient is φ = 41162688.

The previous prime is 159425237. The next prime is 159425243. The reversal of 159425238 is 832524951.

It is a super-3 number, since 3×159425238³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 159425196 and 159425205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159425237) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1920745 + ... + 1920827.

It is an arithmetic number, because the mean of its divisors is an integer number (4183800).

Almost surely, 2^159425238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159425238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200822400).

159425238 is an abundant number, since it is smaller than the sum of its proper divisors (242219562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159425238 is a wasteful number, since it uses less digits than its factorization.

159425238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 143 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 159425238 is about 12626.3707374685. The cubic root of 159425238 is about 542.2326833255.

The spelling of 159425238 in words is "one hundred fifty-nine million, four hundred twenty-five thousand, two hundred thirty-eight".