18853045 has 8 divisors (see below), whose sum is σ = 23403960. Its totient is φ = 14562240.

The previous prime is 18853039. The next prime is 18853057. The reversal of 18853045 is 54035881.

It can be written as a sum of positive squares in 4 ways, for example, as 81 + 18852964 = 9^2 + 4342^2 .

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

It is not a de Polignac number, because 18853045 - 2⁵ = 18853013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18853045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64866 + ... + 65155.

It is an arithmetic number, because the mean of its divisors is an integer number (2925495).

Almost surely, 2^18853045 is an apocalyptic number.

It is an amenable number.

18853045 is a deficient number, since it is larger than the sum of its proper divisors (4550915).

18853045 is a wasteful number, since it uses less digits than its factorization.

18853045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130055.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 18853045 is about 4342.0093274888. The cubic root of 18853045 is about 266.1504274743.

The spelling of 18853045 in words is "eighteen million, eight hundred fifty-three thousand, forty-five".