159743538149 has 8 divisors (see below), whose sum is σ = 172037571552. Its totient is φ = 147450371760.

The previous prime is 159743538131. The next prime is 159743538181. The reversal of 159743538149 is 941835347951.

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

It is a cyclic number.

It is not a de Polignac number, because 159743538149 - 2⁸ = 159743537893 is a prime.

It is a super-2 number, since 2×159743538149² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159743538109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194882 + ... + 597884.

It is an arithmetic number, because the mean of its divisors is an integer number (21504696444).

Almost surely, 2^159743538149 is an apocalyptic number.

It is an amenable number.

159743538149 is a deficient number, since it is larger than the sum of its proper divisors (12294033403).

159743538149 is a wasteful number, since it uses less digits than its factorization.

159743538149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433507.

The product of its digits is 16329600, while the sum is 59.

The spelling of 159743538149 in words is "one hundred fifty-nine billion, seven hundred forty-three million, five hundred thirty-eight thousand, one hundred forty-nine".