28851545 has 16 divisors (see below), whose sum is σ = 37297152. Its totient is φ = 21362880.

The previous prime is 28851539. The next prime is 28851569. The reversal of 28851545 is 54515882.

It is not a de Polignac number, because 28851545 - 2⁸ = 28851289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28851499 and 28851508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (2331072).

Almost surely, 2^28851545 is an apocalyptic number.

It is an amenable number.

28851545 is a deficient number, since it is larger than the sum of its proper divisors (8445607).

28851545 is a wasteful number, since it uses less digits than its factorization.

28851545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152.

The product of its digits is 64000, while the sum is 38.

The square root of 28851545 is about 5371.3634209575. The cubic root of 28851545 is about 306.7065316533.

The spelling of 28851545 in words is "twenty-eight million, eight hundred fifty-one thousand, five hundred forty-five".