18148426 has 16 divisors (see below), whose sum is σ = 29176704. Its totient is φ = 8444304.

The previous prime is 18148421. The next prime is 18148441. The reversal of 18148426 is 62484181.

It is a junction number, because it is equal to n+sod(n) for n = 18148391 and 18148400.

It is not an unprimeable number, because it can be changed into a prime (18148421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3630 + ... + 7033.

It is an arithmetic number, because the mean of its divisors is an integer number (1823544).

Almost surely, 2^18148426 is an apocalyptic number.

18148426 is a deficient number, since it is larger than the sum of its proper divisors (11028278).

18148426 is a wasteful number, since it uses less digits than its factorization.

18148426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725.

The product of its digits is 12288, while the sum is 34.

The square root of 18148426 is about 4260.0969472537. The cubic root of 18148426 is about 262.7925132255.

The spelling of 18148426 in words is "eighteen million, one hundred forty-eight thousand, four hundred twenty-six".