1005775045 has 16 divisors (see below), whose sum is σ = 1324019520. Its totient is φ = 727379200.

The previous prime is 1005775039. The next prime is 1005775061. The reversal of 1005775045 is 5405775001.

It is a happy number.

It is not a de Polignac number, because 1005775045 - 2⁹ = 1005774533 is a prime.

It is a super-2 number, since 2×1005775045² = 2023166882289504050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005775045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41236 + ... + 60925.

It is an arithmetic number, because the mean of its divisors is an integer number (82751220).

Almost surely, 2^1005775045 is an apocalyptic number.

It is an amenable number.

1005775045 is a deficient number, since it is larger than the sum of its proper divisors (318244475).

1005775045 is a wasteful number, since it uses less digits than its factorization.

1005775045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102356.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 1005775045 is about 31713.9566279580. The cubic root of 1005775045 is about 1001.9213211608.

The spelling of 1005775045 in words is "one billion, five million, seven hundred seventy-five thousand, forty-five".