159460409 has 2 divisors, whose sum is σ = 159460410. Its totient is φ = 159460408.

The previous prime is 159460277. The next prime is 159460429. The reversal of 159460409 is 904064951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 63361600 = 9803^2 + 7960^2 .

It is an emirp because it is prime and its reverse (904064951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159460409 - 2¹² = 159456313 is a prime.

It is not a weakly prime, because it can be changed into another prime (159460429) 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, 79730204 + 79730205.

It is an arithmetic number, because the mean of its divisors is an integer number (79730205).

Almost surely, 2^159460409 is an apocalyptic number.

It is an amenable number.

159460409 is a deficient number, since it is larger than the sum of its proper divisors (1).

159460409 is an equidigital number, since it uses as much as digits as its factorization.

159460409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 159460409 is about 12627.7634203370. The cubic root of 159460409 is about 542.2725546024.

The spelling of 159460409 in words is "one hundred fifty-nine million, four hundred sixty thousand, four hundred nine".