1045555005 has 16 divisors (see below), whose sum is σ = 1824969024. Its totient is φ = 506935680.

The previous prime is 1045555003. The next prime is 1045555013. The reversal of 1045555005 is 5005555401.

It is not a de Polignac number, because 1045555005 - 2¹ = 1045555003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045555003) 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, 3168184 + ... + 3168513.

It is an arithmetic number, because the mean of its divisors is an integer number (114060564).

Almost surely, 2^1045555005 is an apocalyptic number.

1045555005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045555005 is a deficient number, since it is larger than the sum of its proper divisors (779414019).

1045555005 is a wasteful number, since it uses less digits than its factorization.

1045555005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336716.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 1045555005 is about 32335.0429874463. The cubic root of 1045555005 is about 1014.9600815834.

The spelling of 1045555005 in words is "one billion, forty-five million, five hundred fifty-five thousand, five".