159242746 has 16 divisors (see below), whose sum is σ = 264192264. Its totient is φ = 71509824.

The previous prime is 159242663. The next prime is 159242747. The reversal of 159242746 is 647242951.

It can be written as a sum of positive squares in 4 ways, for example, as 90535225 + 68707521 = 9515^2 + 8289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 159242699 and 159242708.

It is not an unprimeable number, because it can be changed into a prime (159242747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81805 + ... + 83728.

Almost surely, 2^159242746 is an apocalyptic number.

159242746 is a deficient number, since it is larger than the sum of its proper divisors (104949518).

159242746 is a wasteful number, since it uses less digits than its factorization.

159242746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165585.

The product of its digits is 120960, while the sum is 40.

The square root of 159242746 is about 12619.1420469064. The cubic root of 159242746 is about 542.0257087609.

The spelling of 159242746 in words is "one hundred fifty-nine million, two hundred forty-two thousand, seven hundred forty-six".