18148042 has 8 divisors (see below), whose sum is σ = 29696832. Its totient is φ = 8249100.

The previous prime is 18148037. The next prime is 18148069. The reversal of 18148042 is 24084181.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18148042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412434 + ... + 412477.

It is an arithmetic number, because the mean of its divisors is an integer number (3712104).

Almost surely, 2^18148042 is an apocalyptic number.

18148042 is a deficient number, since it is larger than the sum of its proper divisors (11548790).

18148042 is a wasteful number, since it uses less digits than its factorization.

18148042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824924.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 18148042 is about 4260.0518776184. The cubic root of 18148042 is about 262.7906597491.

The spelling of 18148042 in words is "eighteen million, one hundred forty-eight thousand, forty-two".