159844499 has 2 divisors, whose sum is σ = 159844500. Its totient is φ = 159844498.

The previous prime is 159844493. The next prime is 159844621. The reversal of 159844499 is 994448951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159844499 - 2¹² = 159840403 is a prime.

It is a super-2 number, since 2×159844499² = 51100527721122002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159844499.

It is not a weakly prime, because it can be changed into another prime (159844493) 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, 79922249 + 79922250.

It is an arithmetic number, because the mean of its divisors is an integer number (79922250).

Almost surely, 2^159844499 is an apocalyptic number.

159844499 is a deficient number, since it is larger than the sum of its proper divisors (1).

159844499 is an equidigital number, since it uses as much as digits as its factorization.

159844499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The square root of 159844499 is about 12642.9624297472. The cubic root of 159844499 is about 542.7075935400.

The spelling of 159844499 in words is "one hundred fifty-nine million, eight hundred forty-four thousand, four hundred ninety-nine".