159227397 has 16 divisors (see below), whose sum is σ = 269591680. Its totient is φ = 90986976.

The previous prime is 159227351. The next prime is 159227401. The reversal of 159227397 is 793722951.

159227397 is a `hidden beast` number, since 1 + 592 + 27 + 39 + 7 = 666.

It is not a de Polignac number, because 159227397 - 2⁷ = 159227269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159222397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421048 + ... + 421425.

It is an arithmetic number, because the mean of its divisors is an integer number (16849480).

Almost surely, 2^159227397 is an apocalyptic number.

It is an amenable number.

159227397 is a deficient number, since it is larger than the sum of its proper divisors (110364283).

159227397 is an equidigital number, since it uses as much as digits as its factorization.

159227397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842489 (or 842483 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 159227397 is about 12618.5338688772. The cubic root of 159227397 is about 542.0082933785.

The spelling of 159227397 in words is "one hundred fifty-nine million, two hundred twenty-seven thousand, three hundred ninety-seven".