18414245 has 8 divisors (see below), whose sum is σ = 22161816. Its totient is φ = 14688256.

The previous prime is 18414239. The next prime is 18414251. The reversal of 18414245 is 54241481.

It is an interprime number because it is at equal distance from previous prime (18414239) and next prime (18414251).

It can be written as a sum of positive squares in 4 ways, for example, as 2149156 + 16265089 = 1466^2 + 4033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18414245 - 2⁴ = 18414229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3452 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (2770227).

Almost surely, 2^18414245 is an apocalyptic number.

It is an amenable number.

18414245 is a deficient number, since it is larger than the sum of its proper divisors (3747571).

18414245 is a wasteful number, since it uses less digits than its factorization.

18414245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10791.

The product of its digits is 5120, while the sum is 29.

The square root of 18414245 is about 4291.1822380318. The cubic root of 18414245 is about 264.0693353622.

The spelling of 18414245 in words is "eighteen million, four hundred fourteen thousand, two hundred forty-five".