159802478 has 8 divisors (see below), whose sum is σ = 261495000. Its totient is φ = 72637480.

The previous prime is 159802477. The next prime is 159802481. The reversal of 159802478 is 874208951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159802471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631853 + ... + 3631896.

It is an arithmetic number, because the mean of its divisors is an integer number (32686875).

Almost surely, 2^159802478 is an apocalyptic number.

159802478 is a deficient number, since it is larger than the sum of its proper divisors (101692522).

159802478 is a wasteful number, since it uses less digits than its factorization.

159802478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263762.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 159802478 is about 12641.3004868961. The cubic root of 159802478 is about 542.6600324945.

The spelling of 159802478 in words is "one hundred fifty-nine million, eight hundred two thousand, four hundred seventy-eight".