18151048 has 24 divisors (see below), whose sum is σ = 35585550. Its totient is φ = 8678912.

The previous prime is 18151043. The next prime is 18151051. The reversal of 18151048 is 84015181.

It can be written as a sum of positive squares in only one way, i.e., 11276164 + 6874884 = 3358^2 + 2622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18151043) 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 5 ways as a sum of consecutive naturals, for example, 2088 + ... + 6376.

Almost surely, 2^18151048 is an apocalyptic number.

It is an amenable number.

18151048 is a deficient number, since it is larger than the sum of its proper divisors (17434502).

18151048 is a wasteful number, since it uses less digits than its factorization.

18151048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 18151048 is about 4260.4046756147. The cubic root of 18151048 is about 262.8051682952.

The spelling of 18151048 in words is "eighteen million, one hundred fifty-one thousand, forty-eight".