159545331000 has 384 divisors, whose sum is σ = 589787827200. Its totient is φ = 38579040000.

The previous prime is 159545330963. The next prime is 159545331059. The reversal of 159545331000 is 133545951.

It is a happy number.

159545331000 is a `hidden beast` number, since 1 + 5 + 9 + 545 + 3 + 3 + 100 + 0 = 666.

It is a super-2 number, since 2×159545331000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43459165 + ... + 43462835.

It is an arithmetic number, because the mean of its divisors is an integer number (1535905800).

Almost surely, 2^159545331000 is an apocalyptic number.

159545331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159545331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294893913600).

159545331000 is an abundant number, since it is smaller than the sum of its proper divisors (430242496200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159545331000 is a wasteful number, since it uses less digits than its factorization.

159545331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 4131 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

Adding to 159545331000 its reverse (133545951), we get a palindrome (159678876951).

It can be divided in two parts, 159545 and 331000, that added together give a triangular number (490545 = T₉₉₀).

The spelling of 159545331000 in words is "one hundred fifty-nine billion, five hundred forty-five million, three hundred thirty-one thousand".