28654145 has 16 divisors (see below), whose sum is σ = 37158912. Its totient is φ = 21086400.

The previous prime is 28654133. The next prime is 28654181. The reversal of 28654145 is 54145682.

It is not a de Polignac number, because 28654145 - 2⁶ = 28654081 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 24320 + ... + 25470.

It is an arithmetic number, because the mean of its divisors is an integer number (2322432).

Almost surely, 2^28654145 is an apocalyptic number.

It is an amenable number.

28654145 is a deficient number, since it is larger than the sum of its proper divisors (8504767).

28654145 is a wasteful number, since it uses less digits than its factorization.

28654145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

The product of its digits is 38400, while the sum is 35.

The square root of 28654145 is about 5352.9566596415. The cubic root of 28654145 is about 306.0054429664.

The spelling of 28654145 in words is "twenty-eight million, six hundred fifty-four thousand, one hundred forty-five".