159984049 has 2 divisors, whose sum is σ = 159984050. Its totient is φ = 159984048.

The previous prime is 159984001. The next prime is 159984109. The reversal of 159984049 is 940489951.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147452449 + 12531600 = 12143^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 159984049 - 2¹¹ = 159982001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159983993 and 159984011.

It is not a weakly prime, because it can be changed into another prime (159984949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79992024 + 79992025.

It is an arithmetic number, because the mean of its divisors is an integer number (79992025).

Almost surely, 2^159984049 is an apocalyptic number.

It is an amenable number.

159984049 is a deficient number, since it is larger than the sum of its proper divisors (1).

159984049 is an equidigital number, since it uses as much as digits as its factorization.

159984049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 159984049 is about 12648.4801063211. The cubic root of 159984049 is about 542.8654820213.

The spelling of 159984049 in words is "one hundred fifty-nine million, nine hundred eighty-four thousand, forty-nine".