159242789540 has 24 divisors (see below), whose sum is σ = 334417470912. Its totient is φ = 63695665760.

The previous prime is 159242789509. The next prime is 159242789543. The reversal of 159242789540 is 45987242951.

It is not an unprimeable number, because it can be changed into a prime (159242789543) 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, 1442177 + ... + 1548663.

It is an arithmetic number, because the mean of its divisors is an integer number (13934061288).

Almost surely, 2^159242789540 is an apocalyptic number.

159242789540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159242789540 is an abundant number, since it is smaller than the sum of its proper divisors (175174681372).

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

159242789540 is a wasteful number, since it uses less digits than its factorization.

159242789540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181267 (or 181265 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 159242789540 in words is "one hundred fifty-nine billion, two hundred forty-two million, seven hundred eighty-nine thousand, five hundred forty".