28045150 has 36 divisors (see below), whose sum is σ = 60685848. Its totient is φ = 9614640.

The previous prime is 28045141. The next prime is 28045151. The reversal of 28045150 is 5154082.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28045151) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3274 + ... + 8173.

It is an arithmetic number, because the mean of its divisors is an integer number (1685718).

Almost surely, 2^28045150 is an apocalyptic number.

28045150 is an abundant number, since it is smaller than the sum of its proper divisors (32640698).

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

28045150 is a wasteful number, since it uses less digits than its factorization.

28045150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473 (or 11461 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 28045150 is about 5295.7671776618. The cubic root of 28045150 is about 303.8220261944.

The spelling of 28045150 in words is "twenty-eight million, forty-five thousand, one hundred fifty".