159312042 has 16 divisors (see below), whose sum is σ = 354026880. Its totient is φ = 53103996.

The previous prime is 159312031. The next prime is 159312071. The reversal of 159312042 is 240213951.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 159311997 and 159312015.

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, 1475058 + ... + 1475165.

It is an arithmetic number, because the mean of its divisors is an integer number (22126680).

Almost surely, 2^159312042 is an apocalyptic number.

159312042 is an abundant number, since it is smaller than the sum of its proper divisors (194714838).

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

159312042 is a wasteful number, since it uses less digits than its factorization.

159312042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950234 (or 2950228 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 159312042 is about 12621.8874182905. The cubic root of 159312042 is about 542.1043199118.

Adding to 159312042 its reverse (240213951), we get a palindrome (399525993).

The spelling of 159312042 in words is "one hundred fifty-nine million, three hundred twelve thousand, forty-two".