159143490 has 48 divisors (see below), whose sum is σ = 451391616. Its totient is φ = 38580000.

The previous prime is 159143459. The next prime is 159143497. The reversal of 159143490 is 94341951.

It is a happy number.

159143490 is a `hidden beast` number, since 159 + 14 + 3 + 490 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159143497) 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 23 ways as a sum of consecutive naturals, for example, 79386 + ... + 81365.

It is an arithmetic number, because the mean of its divisors is an integer number (9403992).

Almost surely, 2^159143490 is an apocalyptic number.

159143490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159143490 is an abundant number, since it is smaller than the sum of its proper divisors (292248126).

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

159143490 is a wasteful number, since it uses less digits than its factorization.

159143490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160775 (or 160772 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 159143490 is about 12615.2086784167. The cubic root of 159143490 is about 541.9130704845.

The spelling of 159143490 in words is "one hundred fifty-nine million, one hundred forty-three thousand, four hundred ninety".