18148074 has 16 divisors (see below), whose sum is σ = 41481408. Its totient is φ = 5185152.

The previous prime is 18148073. The next prime is 18148103. The reversal of 18148074 is 47084181.

It is not an unprimeable number, because it can be changed into a prime (18148073) by changing a digit.

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, 216007 + ... + 216090.

It is an arithmetic number, because the mean of its divisors is an integer number (2592588).

Almost surely, 2^18148074 is an apocalyptic number.

18148074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18148074 is an abundant number, since it is smaller than the sum of its proper divisors (23333334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18148074 is a wasteful number, since it uses less digits than its factorization.

18148074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432109.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 18148074 is about 4260.0556334395. The cubic root of 18148074 is about 262.7908142065.

The spelling of 18148074 in words is "eighteen million, one hundred forty-eight thousand, seventy-four".