159097426 has 4 divisors (see below), whose sum is σ = 238646142. Its totient is φ = 79548712.

The previous prime is 159097409. The next prime is 159097429. The reversal of 159097426 is 624790951.

It is a happy number.

159097426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 71656225 = 9351^2 + 8465^2 .

It is not an unprimeable number, because it can be changed into a prime (159097429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39774355 + ... + 39774358.

Almost surely, 2^159097426 is an apocalyptic number.

159097426 is a deficient number, since it is larger than the sum of its proper divisors (79548716).

159097426 is an equidigital number, since it uses as much as digits as its factorization.

159097426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79548715.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 159097426 is about 12613.3828135041. The cubic root of 159097426 is about 541.8607799540.

The spelling of 159097426 in words is "one hundred fifty-nine million, ninety-seven thousand, four hundred twenty-six".