159242747 has 2 divisors, whose sum is σ = 159242748. Its totient is φ = 159242746.

The previous prime is 159242663. The next prime is 159242771. The reversal of 159242747 is 747242951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159242747 - 2¹⁰ = 159241723 is a prime.

It is a super-3 number, since 3×159242747³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159244747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79621373 + 79621374.

It is an arithmetic number, because the mean of its divisors is an integer number (79621374).

Almost surely, 2^159242747 is an apocalyptic number.

159242747 is a deficient number, since it is larger than the sum of its proper divisors (1).

159242747 is an equidigital number, since it uses as much as digits as its factorization.

159242747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 159242747 is about 12619.1420865287. The cubic root of 159242747 is about 542.0257098955.

The spelling of 159242747 in words is "one hundred fifty-nine million, two hundred forty-two thousand, seven hundred forty-seven".