159743434 has 8 divisors (see below), whose sum is σ = 247344768. Its totient is φ = 77295180.

The previous prime is 159743429. The next prime is 159743449. The reversal of 159743434 is 434347951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×159743434² = 51035929412224712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288192 + ... + 1288315.

It is an arithmetic number, because the mean of its divisors is an integer number (30918096).

Almost surely, 2^159743434 is an apocalyptic number.

159743434 is a deficient number, since it is larger than the sum of its proper divisors (87601334).

159743434 is a wasteful number, since it uses less digits than its factorization.

159743434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576540.

The product of its digits is 181440, while the sum is 40.

The square root of 159743434 is about 12638.9649101499. The cubic root of 159743434 is about 542.5931900476.

The spelling of 159743434 in words is "one hundred fifty-nine million, seven hundred forty-three thousand, four hundred thirty-four".