159049933 has 12 divisors (see below), whose sum is σ = 190987392. Its totient is φ = 131929560.

The previous prime is 159049921. The next prime is 159049937. The reversal of 159049933 is 339940951.

It is not a de Polignac number, because 159049933 - 2²¹ = 156952781 is a prime.

It is the 12612-nd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159049933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159049937) by changing a digit.

It is a nontrivial repunit in base 12611.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50835 + ... + 53872.

It is an arithmetic number, because the mean of its divisors is an integer number (15915616).

Almost surely, 2^159049933 is an apocalyptic number.

It is an amenable number.

159049933 is a deficient number, since it is larger than the sum of its proper divisors (31937459).

159049933 is a wasteful number, since it uses less digits than its factorization.

159049933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104752 (or 104745 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 159049933 is about 12611.5000297348. The cubic root of 159049933 is about 541.8068566949.

The spelling of 159049933 in words is "one hundred fifty-nine million, forty-nine thousand, nine hundred thirty-three".