18345104 has 10 divisors (see below), whose sum is σ = 35543670. Its totient is φ = 9172544.

The previous prime is 18345101. The next prime is 18345137. The reversal of 18345104 is 40154381.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 8410000 = 3152^2 + 2900^2 .

It is not an unprimeable number, because it can be changed into a prime (18345101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573269 + ... + 573300.

It is an arithmetic number, because the mean of its divisors is an integer number (3554367).

Almost surely, 2^18345104 is an apocalyptic number.

It is an amenable number.

18345104 is a deficient number, since it is larger than the sum of its proper divisors (17198566).

18345104 is a wasteful number, since it uses less digits than its factorization.

18345104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146577 (or 1146571 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18345104 is about 4283.1184900724. The cubic root of 18345104 is about 263.7384155196.

Adding to 18345104 its reverse (40154381), we get a palindrome (58499485).

The spelling of 18345104 in words is "eighteen million, three hundred forty-five thousand, one hundred four".