159249249 has 12 divisors (see below), whose sum is σ = 230213412. Its totient is φ = 106080000.

The previous prime is 159249229. The next prime is 159249257. The reversal of 159249249 is 942942951.

159249249 is a `hidden beast` number, since 159 + 2 + 492 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 148060224 = 3345^2 + 12168^2 .

It is not a de Polignac number, because 159249249 - 2¹² = 159245153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159249229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5749 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (19184451).

Almost surely, 2^159249249 is an apocalyptic number.

It is an amenable number.

159249249 is a deficient number, since it is larger than the sum of its proper divisors (70964163).

159249249 is a wasteful number, since it uses less digits than its factorization.

159249249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14368 (or 14365 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 159249249 is about 12619.3997083855. The cubic root of 159249249 is about 542.0330868996.

The spelling of 159249249 in words is "one hundred fifty-nine million, two hundred forty-nine thousand, two hundred forty-nine".