1845200853 has 6 divisors (see below), whose sum is σ = 2665290134. Its totient is φ = 1230133896.

The previous prime is 1845200839. The next prime is 1845200857. The reversal of 1845200853 is 3580025481.

It is a happy number.

1845200853 is a `hidden beast` number, since 1 + 84 + 520 + 0 + 8 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1013339889 + 831860964 = 31833^2 + 28842^2 .

It is not a de Polignac number, because 1845200853 - 2¹⁷ = 1845069781 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 (1845200857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102511150 + ... + 102511167.

Almost surely, 2^1845200853 is an apocalyptic number.

It is an amenable number.

1845200853 is a deficient number, since it is larger than the sum of its proper divisors (820089281).

1845200853 is a wasteful number, since it uses less digits than its factorization.

1845200853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205022323 (or 205022320 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1845200853 is about 42955.8011565376. The cubic root of 1845200853 is about 1226.5385866374.

The spelling of 1845200853 in words is "one billion, eight hundred forty-five million, two hundred thousand, eight hundred fifty-three".