159471929 has 2 divisors, whose sum is σ = 159471930. Its totient is φ = 159471928.

The previous prime is 159471877. The next prime is 159471941. The reversal of 159471929 is 929174951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151782400 + 7689529 = 12320^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 159471929 - 2¹⁶ = 159406393 is a prime.

It is a super-2 number, since 2×159471929² = 50862592277962082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159471229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79735964 + 79735965.

It is an arithmetic number, because the mean of its divisors is an integer number (79735965).

Almost surely, 2^159471929 is an apocalyptic number.

It is an amenable number.

159471929 is a deficient number, since it is larger than the sum of its proper divisors (1).

159471929 is an equidigital number, since it uses as much as digits as its factorization.

159471929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 47.

The square root of 159471929 is about 12628.2195498811. The cubic root of 159471929 is about 542.2856128686.

The spelling of 159471929 in words is "one hundred fifty-nine million, four hundred seventy-one thousand, nine hundred twenty-nine".