159227447 has 2 divisors, whose sum is σ = 159227448. Its totient is φ = 159227446.

The previous prime is 159227441. The next prime is 159227479. The reversal of 159227447 is 744722951.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159227447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159227441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79613723 + 79613724.

It is an arithmetic number, because the mean of its divisors is an integer number (79613724).

Almost surely, 2^159227447 is an apocalyptic number.

159227447 is a deficient number, since it is larger than the sum of its proper divisors (1).

159227447 is an equidigital number, since it uses as much as digits as its factorization.

159227447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 159227447 is about 12618.5358500897. The cubic root of 159227447 is about 542.0083501117.

The spelling of 159227447 in words is "one hundred fifty-nine million, two hundred twenty-seven thousand, four hundred forty-seven".