148218565 has 16 divisors (see below), whose sum is σ = 200724480. Its totient is φ = 104077120.

The previous prime is 148218541. The next prime is 148218569. The reversal of 148218565 is 565812841.

It is a happy number.

It is not a de Polignac number, because 148218565 - 2⁷ = 148218437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148218569) 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 15 ways as a sum of consecutive naturals, for example, 44869 + ... + 48058.

It is an arithmetic number, because the mean of its divisors is an integer number (12545280).

Almost surely, 2^148218565 is an apocalyptic number.

It is an amenable number.

148218565 is a deficient number, since it is larger than the sum of its proper divisors (52505915).

148218565 is a wasteful number, since it uses less digits than its factorization.

148218565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92972.

The product of its digits is 76800, while the sum is 40.

The square root of 148218565 is about 12174.5047127183. The cubic root of 148218565 is about 529.2175055488.

The spelling of 148218565 in words is "one hundred forty-eight million, two hundred eighteen thousand, five hundred sixty-five".