1000853645 has 8 divisors (see below), whose sum is σ = 1310208480. Its totient is φ = 727893520.

The previous prime is 1000853641. The next prime is 1000853653. The reversal of 1000853645 is 5463580001.

It is a happy number.

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

It is not a de Polignac number, because 1000853645 - 2² = 1000853641 is a prime.

It is a super-3 number, since 3×1000853645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000853641) by changing a digit.

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, 9098615 + ... + 9098724.

It is an arithmetic number, because the mean of its divisors is an integer number (163776060).

Almost surely, 2^1000853645 is an apocalyptic number.

It is an amenable number.

1000853645 is a deficient number, since it is larger than the sum of its proper divisors (309354835).

1000853645 is a wasteful number, since it uses less digits than its factorization.

1000853645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18197355.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1000853645 is about 31636.2710350003. The cubic root of 1000853645 is about 1000.2844674040.

The spelling of 1000853645 in words is "one billion, eight hundred fifty-three thousand, six hundred forty-five".