159472782 has 24 divisors (see below), whose sum is σ = 394885296. Its totient is φ = 45563616.

The previous prime is 159472771. The next prime is 159472783. The reversal of 159472782 is 287274951.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159472783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632703 + ... + 632954.

It is an arithmetic number, because the mean of its divisors is an integer number (16453554).

Almost surely, 2^159472782 is an apocalyptic number.

159472782 is an abundant number, since it is smaller than the sum of its proper divisors (235412514).

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

159472782 is a wasteful number, since it uses less digits than its factorization.

159472782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265672 (or 1265669 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 159472782 is about 12628.2533234015. The cubic root of 159472782 is about 542.2865797448.

The spelling of 159472782 in words is "one hundred fifty-nine million, four hundred seventy-two thousand, seven hundred eighty-two".