159220429 has 2 divisors, whose sum is σ = 159220430. Its totient is φ = 159220428.

The previous prime is 159220403. The next prime is 159220459. The reversal of 159220429 is 924022951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 34786404 = 11155^2 + 5898^2 .

It is an emirp because it is prime and its reverse (924022951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159220429 - 2¹³ = 159212237 is a prime.

It is a super-2 number, since 2×159220429² = 50702290021888082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 159220394 and 159220403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159220459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79610214 + 79610215.

It is an arithmetic number, because the mean of its divisors is an integer number (79610215).

Almost surely, 2^159220429 is an apocalyptic number.

It is an amenable number.

159220429 is a deficient number, since it is larger than the sum of its proper divisors (1).

159220429 is an equidigital number, since it uses as much as digits as its factorization.

159220429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 159220429 is about 12618.2577640497. The cubic root of 159220429 is about 542.0003869316. Note that the first 3 decimals are identical.

The spelling of 159220429 in words is "one hundred fifty-nine million, two hundred twenty thousand, four hundred twenty-nine".