159042216444 has 24 divisors (see below), whose sum is σ = 375268153680. Its totient is φ = 52418408064.

The previous prime is 159042216383. The next prime is 159042216457. The reversal of 159042216444 is 444612240951.

It is a super-2 number, since 2×159042216444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 159042216396 and 159042216405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74456899 + ... + 74459034.

It is an arithmetic number, because the mean of its divisors is an integer number (15636173070).

Almost surely, 2^159042216444 is an apocalyptic number.

It is an amenable number.

159042216444 is an abundant number, since it is smaller than the sum of its proper divisors (216225937236).

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

159042216444 is a wasteful number, since it uses less digits than its factorization.

159042216444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148916029 (or 148916027 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 159042216444 in words is "one hundred fifty-nine billion, forty-two million, two hundred sixteen thousand, four hundred forty-four".