159445857373 has 8 divisors (see below), whose sum is σ = 174180202560. Its totient is φ = 144751390080.

The previous prime is 159445857367. The next prime is 159445857407. The reversal of 159445857373 is 373758544951.

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

It is not a de Polignac number, because 159445857373 - 2⁹ = 159445856861 is a prime.

It is a super-2 number, since 2×159445857373² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159445857353) 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, 9961108 + ... + 9977101.

It is an arithmetic number, because the mean of its divisors is an integer number (21772525320).

Almost surely, 2^159445857373 is an apocalyptic number.

It is an amenable number.

159445857373 is a deficient number, since it is larger than the sum of its proper divisors (14734345187).

159445857373 is a wasteful number, since it uses less digits than its factorization.

159445857373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19938947.

The product of its digits is 63504000, while the sum is 61.

The spelling of 159445857373 in words is "one hundred fifty-nine billion, four hundred forty-five million, eight hundred fifty-seven thousand, three hundred seventy-three".