159977148 has 12 divisors (see below), whose sum is σ = 373280040. Its totient is φ = 53325712.

The previous prime is 159977141. The next prime is 159977171. The reversal of 159977148 is 841779951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 159977148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159977141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6665703 + ... + 6665726.

It is an arithmetic number, because the mean of its divisors is an integer number (31106670).

Almost surely, 2^159977148 is an apocalyptic number.

It is an amenable number.

159977148 is an abundant number, since it is smaller than the sum of its proper divisors (213302892).

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

159977148 is a wasteful number, since it uses less digits than its factorization.

159977148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331436 (or 13331434 counting only the distinct ones).

The product of its digits is 635040, while the sum is 51.

The square root of 159977148 is about 12648.2073038040. The cubic root of 159977148 is about 542.8576763087.

The spelling of 159977148 in words is "one hundred fifty-nine million, nine hundred seventy-seven thousand, one hundred forty-eight".