159280747 has 2 divisors, whose sum is σ = 159280748. Its totient is φ = 159280746.

The previous prime is 159280703. The next prime is 159280757. The reversal of 159280747 is 747082951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159280747 - 2¹¹ = 159278699 is a prime.

It is not a weakly prime, because it can be changed into another prime (159280757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79640373 + 79640374.

It is an arithmetic number, because the mean of its divisors is an integer number (79640374).

Almost surely, 2^159280747 is an apocalyptic number.

159280747 is a deficient number, since it is larger than the sum of its proper divisors (1).

159280747 is an equidigital number, since it uses as much as digits as its factorization.

159280747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 159280747 is about 12620.6476458223. The cubic root of 159280747 is about 542.0688208885.

It can be divided in two parts, 15928074 and 7, that added together give a square (15928081 = 3991²).

The spelling of 159280747 in words is "one hundred fifty-nine million, two hundred eighty thousand, seven hundred forty-seven".