18147050 has 12 divisors (see below), whose sum is σ = 33753606. Its totient is φ = 7258800.

The previous prime is 18147001. The next prime is 18147053. The reversal of 18147050 is 5074181.

It can be written as a sum of positive squares in 3 ways, for example, as 7382089 + 10764961 = 2717^2 + 3281^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18147053) 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 5 ways as a sum of consecutive naturals, for example, 181421 + ... + 181520.

Almost surely, 2^18147050 is an apocalyptic number.

18147050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18147050 is a deficient number, since it is larger than the sum of its proper divisors (15606556).

18147050 is a wasteful number, since it uses less digits than its factorization.

18147050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362953 (or 362948 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 18147050 is about 4259.9354455203. The cubic root of 18147050 is about 262.7858714808.

The spelling of 18147050 in words is "eighteen million, one hundred forty-seven thousand, fifty".