28441045 has 8 divisors (see below), whose sum is σ = 34157880. Its totient is φ = 22733760.

The previous prime is 28441037. The next prime is 28441069. The reversal of 28441045 is 54014482.

It can be written as a sum of positive squares in 4 ways, for example, as 1129969 + 27311076 = 1063^2 + 5226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28441045 - 2³ = 28441037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10711 + ... + 13099.

It is an arithmetic number, because the mean of its divisors is an integer number (4269735).

Almost surely, 2^28441045 is an apocalyptic number.

It is an amenable number.

28441045 is a deficient number, since it is larger than the sum of its proper divisors (5716835).

28441045 is a wasteful number, since it uses less digits than its factorization.

28441045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 28441045 is about 5333.0146258941. The cubic root of 28441045 is about 305.2449702616.

The spelling of 28441045 in words is "twenty-eight million, four hundred forty-one thousand, forty-five".