159459919 has 2 divisors, whose sum is σ = 159459920. Its totient is φ = 159459918.

The previous prime is 159459901. The next prime is 159459929. The reversal of 159459919 is 919954951.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (919954951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159459919 - 2⁵ = 159459887 is a prime.

It is a super-2 number, since 2×159459919² = 50854931534973122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159459929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79729959 + 79729960.

It is an arithmetic number, because the mean of its divisors is an integer number (79729960).

Almost surely, 2^159459919 is an apocalyptic number.

159459919 is a deficient number, since it is larger than the sum of its proper divisors (1).

159459919 is an equidigital number, since it uses as much as digits as its factorization.

159459919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 52.

The square root of 159459919 is about 12627.7440186282. The cubic root of 159459919 is about 542.2719991588.

The spelling of 159459919 in words is "one hundred fifty-nine million, four hundred fifty-nine thousand, nine hundred nineteen".