28410145 has 12 divisors (see below), whose sum is σ = 36217404. Its totient is φ = 21390080.

The previous prime is 28410131. The next prime is 28410157. The reversal of 28410145 is 54101482.

It can be written as a sum of positive squares in 6 ways, for example, as 1774224 + 26635921 = 1332^2 + 5161^2 .

It is not a de Polignac number, because 28410145 - 2¹⁹ = 27885857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8386 + ... + 11275.

It is an arithmetic number, because the mean of its divisors is an integer number (3018117).

Almost surely, 2^28410145 is an apocalyptic number.

It is an amenable number.

28410145 is a deficient number, since it is larger than the sum of its proper divisors (7807259).

28410145 is a wasteful number, since it uses less digits than its factorization.

28410145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19700 (or 19683 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 28410145 is about 5330.1167904653. The cubic root of 28410145 is about 305.1343849263.

The spelling of 28410145 in words is "twenty-eight million, four hundred ten thousand, one hundred forty-five".