18853145 has 8 divisors (see below), whose sum is σ = 22654080. Its totient is φ = 15062320.

The previous prime is 18853139. The next prime is 18853147. The reversal of 18853145 is 54135881.

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

It is not a de Polignac number, because 18853145 - 2¹⁰ = 18852121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18853147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (2831760).

Almost surely, 2^18853145 is an apocalyptic number.

It is an amenable number.

18853145 is a deficient number, since it is larger than the sum of its proper divisors (3800935).

18853145 is an equidigital number, since it uses as much as digits as its factorization.

18853145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055.

The product of its digits is 19200, while the sum is 35.

The square root of 18853145 is about 4342.0208428795. The cubic root of 18853145 is about 266.1508980436.

The spelling of 18853145 in words is "eighteen million, eight hundred fifty-three thousand, one hundred forty-five".