1045566 has 24 divisors (see below), whose sum is σ = 2344680. Its totient is φ = 336336.

The previous prime is 1045559. The next prime is 1045571. The reversal of 1045566 is 6655401.

It is a happy number.

1045566 is a `hidden beast` number, since 104 + 556 + 6 = 666.

It is a congruent 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, 480 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (97695).

2^1045566 is an apocalyptic number.

1045566 is an abundant number, since it is smaller than the sum of its proper divisors (1299114).

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

1045566 is a wasteful number, since it uses less digits than its factorization.

1045566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1045566 is about 1022.5292171865. The cubic root of 1045566 is about 101.4963639326.

The spelling of 1045566 in words is "one million, forty-five thousand, five hundred sixty-six".