159420329 has 2 divisors, whose sum is σ = 159420330. Its totient is φ = 159420328.

The previous prime is 159420323. The next prime is 159420353. The reversal of 159420329 is 923024951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155625625 + 3794704 = 12475^2 + 1948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159420329 is a prime.

It is not a weakly prime, because it can be changed into another prime (159420323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79710164 + 79710165.

It is an arithmetic number, because the mean of its divisors is an integer number (79710165).

Almost surely, 2^159420329 is an apocalyptic number.

It is an amenable number.

159420329 is a deficient number, since it is larger than the sum of its proper divisors (1).

159420329 is an equidigital number, since it uses as much as digits as its factorization.

159420329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 159420329 is about 12626.1763412365. The cubic root of 159420329 is about 542.2271178169.

The spelling of 159420329 in words is "one hundred fifty-nine million, four hundred twenty thousand, three hundred twenty-nine".