218148152 has 16 divisors (see below), whose sum is σ = 420083160. Its totient is φ = 106125984.

The previous prime is 218148149. The next prime is 218148157. The reversal of 218148152 is 251841812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218148157) 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 3 ways as a sum of consecutive naturals, for example, 368198 + ... + 368789.

Almost surely, 2^218148152 is an apocalyptic number.

It is an amenable number.

218148152 is a deficient number, since it is larger than the sum of its proper divisors (201935008).

218148152 is a wasteful number, since it uses less digits than its factorization.

218148152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737030 (or 737026 counting only the distinct ones).

The product of its digits is 5120, while the sum is 32.

The square root of 218148152 is about 14769.8392679135. The cubic root of 218148152 is about 601.9824720893.

Adding to 218148152 its reverse (251841812), we get a palindrome (469989964).

The spelling of 218148152 in words is "two hundred eighteen million, one hundred forty-eight thousand, one hundred fifty-two".