218048145 has 16 divisors (see below), whose sum is σ = 398716800. Its totient is φ = 99679104.

The previous prime is 218048113. The next prime is 218048147. The reversal of 218048145 is 541840812.

It is not a de Polignac number, because 218048145 - 2⁵ = 218048113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218048147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038220 + ... + 1038429.

It is an arithmetic number, because the mean of its divisors is an integer number (24919800).

Almost surely, 2^218048145 is an apocalyptic number.

It is an amenable number.

218048145 is a deficient number, since it is larger than the sum of its proper divisors (180668655).

218048145 is a wasteful number, since it uses less digits than its factorization.

218048145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076664.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 218048145 is about 14766.4533656528. The cubic root of 218048145 is about 601.8904678519.

Adding to 218048145 its reverse (541840812), we get a palindrome (759888957).

The spelling of 218048145 in words is "two hundred eighteen million, forty-eight thousand, one hundred forty-five".