1000945045 has 8 divisors (see below), whose sum is σ = 1201306680. Its totient is φ = 800640960.

The previous prime is 1000945009. The next prime is 1000945067. The reversal of 1000945045 is 5405490001.

1000945045 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109683729 + 891261316 = 10473^2 + 29854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000945045 - 2⁹ = 1000944533 is a prime.

It is a super-2 number, since 2×1000945045² = 2003781966220104050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50455 + ... + 67435.

It is an arithmetic number, because the mean of its divisors is an integer number (150163335).

Almost surely, 2^1000945045 is an apocalyptic number.

It is an amenable number.

1000945045 is a deficient number, since it is larger than the sum of its proper divisors (200361635).

1000945045 is a wasteful number, since it uses less digits than its factorization.

1000945045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1000945045 is about 31637.7155464803. The cubic root of 1000945045 is about 1000.3149158176.

The spelling of 1000945045 in words is "one billion, nine hundred forty-five thousand, forty-five".