1045508853 has 4 divisors (see below), whose sum is σ = 1394011808. Its totient is φ = 697005900.

The previous prime is 1045508809. The next prime is 1045508909. The reversal of 1045508853 is 3588055401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1045508853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045508153) 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 3 ways as a sum of consecutive naturals, for example, 174251473 + ... + 174251478.

It is an arithmetic number, because the mean of its divisors is an integer number (348502952).

Almost surely, 2^1045508853 is an apocalyptic number.

It is an amenable number.

1045508853 is a deficient number, since it is larger than the sum of its proper divisors (348502955).

1045508853 is an equidigital number, since it uses as much as digits as its factorization.

1045508853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348502954.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 1045508853 is about 32334.3293265842. The cubic root of 1045508853 is about 1014.9451475287.

The spelling of 1045508853 in words is "one billion, forty-five million, five hundred eight thousand, eight hundred fifty-three".