28159148 has 12 divisors (see below), whose sum is σ = 49715400. Its totient is φ = 13954752.

The previous prime is 28159141. The next prime is 28159151. The reversal of 28159148 is 84195182.

It is not an unprimeable number, because it can be changed into a prime (28159141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30698 + ... + 31601.

It is an arithmetic number, because the mean of its divisors is an integer number (4142950).

Almost surely, 2^28159148 is an apocalyptic number.

It is an amenable number.

28159148 is a deficient number, since it is larger than the sum of its proper divisors (21556252).

28159148 is a wasteful number, since it uses less digits than its factorization.

28159148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62416 (or 62414 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 28159148 is about 5306.5193865659. The cubic root of 28159148 is about 304.2331285388.

The spelling of 28159148 in words is "twenty-eight million, one hundred fifty-nine thousand, one hundred forty-eight".