1045255806 has 32 divisors (see below), whose sum is σ = 2654618880. Its totient is φ = 298644408.

The previous prime is 1045255753. The next prime is 1045255807. The reversal of 1045255806 is 6085525401.

1045255806 is a `hidden beast` number, since 10 + 45 + 25 + 580 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045255807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382236 + ... + 1382991.

It is an arithmetic number, because the mean of its divisors is an integer number (82956840).

Almost surely, 2^1045255806 is an apocalyptic number.

1045255806 is an abundant number, since it is smaller than the sum of its proper divisors (1609363074).

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

1045255806 is a wasteful number, since it uses less digits than its factorization.

1045255806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765245 (or 2765239 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 1045255806 is about 32330.4161123856. The cubic root of 1045255806 is about 1014.8632577239.

The spelling of 1045255806 in words is "one billion, forty-five million, two hundred fifty-five thousand, eight hundred six".