160442489 has 2 divisors, whose sum is σ = 160442490. Its totient is φ = 160442488.

The previous prime is 160442473. The next prime is 160442497. The reversal of 160442489 is 984244061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81090025 + 79352464 = 9005^2 + 8908^2 .

It is a cyclic number.

It is not a de Polignac number, because 160442489 - 2⁴ = 160442473 is a prime.

It is not a weakly prime, because it can be changed into another prime (160442419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80221244 + 80221245.

It is an arithmetic number, because the mean of its divisors is an integer number (80221245).

Almost surely, 2^160442489 is an apocalyptic number.

It is an amenable number.

160442489 is a deficient number, since it is larger than the sum of its proper divisors (1).

160442489 is an equidigital number, since it uses as much as digits as its factorization.

160442489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 160442489 is about 12666.5894778350. The cubic root of 160442489 is about 543.3835209849.

The spelling of 160442489 in words is "one hundred sixty million, four hundred forty-two thousand, four hundred eighty-nine".