18234245 has 16 divisors (see below), whose sum is σ = 22489920. Its totient is φ = 14187264.

The previous prime is 18234233. The next prime is 18234259. The reversal of 18234245 is 54243281.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18234245 - 2¹⁰ = 18233221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33062 + ... + 33608.

It is an arithmetic number, because the mean of its divisors is an integer number (1405620).

Almost surely, 2^18234245 is an apocalyptic number.

It is an amenable number.

18234245 is a deficient number, since it is larger than the sum of its proper divisors (4255675).

18234245 is a wasteful number, since it uses less digits than its factorization.

18234245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its digits is 7680, while the sum is 29.

The square root of 18234245 is about 4270.1574912408. The cubic root of 18234245 is about 263.2060869319.

The spelling of 18234245 in words is "eighteen million, two hundred thirty-four thousand, two hundred forty-five".