159378547 has 2 divisors, whose sum is σ = 159378548. Its totient is φ = 159378546.

The previous prime is 159378467. The next prime is 159378559. The reversal of 159378547 is 745873951.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159378547 - 2⁷ = 159378419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159378547.

It is not a weakly prime, because it can be changed into another prime (159378847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79689273 + 79689274.

It is an arithmetic number, because the mean of its divisors is an integer number (79689274).

Almost surely, 2^159378547 is an apocalyptic number.

159378547 is a deficient number, since it is larger than the sum of its proper divisors (1).

159378547 is an equidigital number, since it uses as much as digits as its factorization.

159378547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The square root of 159378547 is about 12624.5216543044. The cubic root of 159378547 is about 542.1797434470.

The spelling of 159378547 in words is "one hundred fifty-nine million, three hundred seventy-eight thousand, five hundred forty-seven".