159420297 has 4 divisors (see below), whose sum is σ = 212560400. Its totient is φ = 106280196.

The previous prime is 159420281. The next prime is 159420299. The reversal of 159420297 is 792024951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 159420297 - 2⁴ = 159420281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159420299) 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 in 3 ways as a sum of consecutive naturals, for example, 26570047 + ... + 26570052.

It is an arithmetic number, because the mean of its divisors is an integer number (53140100).

Almost surely, 2^159420297 is an apocalyptic number.

It is an amenable number.

159420297 is a deficient number, since it is larger than the sum of its proper divisors (53140103).

159420297 is an equidigital number, since it uses as much as digits as its factorization.

159420297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53140102.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 159420297 is about 12626.1750740278. The cubic root of 159420297 is about 542.2270815370.

The spelling of 159420297 in words is "one hundred fifty-nine million, four hundred twenty thousand, two hundred ninety-seven".