159394451 has 2 divisors, whose sum is σ = 159394452. Its totient is φ = 159394450.

The previous prime is 159394447. The next prime is 159394513. The reversal of 159394451 is 154493951.

It is a weak prime.

It is an emirp because it is prime and its reverse (154493951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159394451 - 2² = 159394447 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159394399 and 159394408.

It is not a weakly prime, because it can be changed into another prime (159394351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79697225 + 79697226.

It is an arithmetic number, because the mean of its divisors is an integer number (79697226).

Almost surely, 2^159394451 is an apocalyptic number.

159394451 is a deficient number, since it is larger than the sum of its proper divisors (1).

159394451 is an equidigital number, since it uses as much as digits as its factorization.

159394451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 159394451 is about 12625.1515238432. The cubic root of 159394451 is about 542.1977771159.

The spelling of 159394451 in words is "one hundred fifty-nine million, three hundred ninety-four thousand, four hundred fifty-one".