159021146 has 8 divisors (see below), whose sum is σ = 251086080. Its totient is φ = 75325788.

The previous prime is 159021131. The next prime is 159021157. The reversal of 159021146 is 641120951.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092346 + ... + 2092421.

It is an arithmetic number, because the mean of its divisors is an integer number (31385760).

Almost surely, 2^159021146 is an apocalyptic number.

159021146 is a deficient number, since it is larger than the sum of its proper divisors (92064934).

159021146 is a wasteful number, since it uses less digits than its factorization.

159021146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184788.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 159021146 is about 12610.3586784833. The cubic root of 159021146 is about 541.7741668874.

The spelling of 159021146 in words is "one hundred fifty-nine million, twenty-one thousand, one hundred forty-six".