1005045255 has 12 divisors (see below), whose sum is σ = 1742078520. Its totient is φ = 536024112.

The previous prime is 1005045193. The next prime is 1005045277. The reversal of 1005045255 is 5525405001.

1005045255 is a `hidden beast` number, since 100 + 504 + 5 + 2 + 55 = 666.

It is not a de Polignac number, because 1005045255 - 2⁷ = 1005045127 is a prime.

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, 11167125 + ... + 11167214.

It is an arithmetic number, because the mean of its divisors is an integer number (145173210).

Almost surely, 2^1005045255 is an apocalyptic number.

1005045255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1005045255 is a deficient number, since it is larger than the sum of its proper divisors (737033265).

1005045255 is a wasteful number, since it uses less digits than its factorization.

1005045255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22334350 (or 22334347 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 1005045255 is about 31702.4487224568. The cubic root of 1005045255 is about 1001.6789312789.

The spelling of 1005045255 in words is "one billion, five million, forty-five thousand, two hundred fifty-five".