159442229 has 2 divisors, whose sum is σ = 159442230. Its totient is φ = 159442228.

The previous prime is 159442223. The next prime is 159442267. The reversal of 159442229 is 922244951.

It is an a-pointer prime, because the next prime (159442267) can be obtained adding 159442229 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150430225 + 9012004 = 12265^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 159442229 - 2⁸ = 159441973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 159442192 and 159442201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159442223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79721114 + 79721115.

It is an arithmetic number, because the mean of its divisors is an integer number (79721115).

Almost surely, 2^159442229 is an apocalyptic number.

It is an amenable number.

159442229 is a deficient number, since it is larger than the sum of its proper divisors (1).

159442229 is an equidigital number, since it uses as much as digits as its factorization.

159442229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 159442229 is about 12627.0435573811. The cubic root of 159442229 is about 542.2519457467.

The spelling of 159442229 in words is "one hundred fifty-nine million, four hundred forty-two thousand, two hundred twenty-nine".