223148161 has 8 divisors (see below), whose sum is σ = 225630080. Its totient is φ = 220672512.

The previous prime is 223148119. The next prime is 223148173. The reversal of 223148161 is 161841322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223148161 - 2²¹ = 221051009 is a prime.

It is a super-3 number, since 3×223148161³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223149161) 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 7 ways as a sum of consecutive naturals, for example, 117820 + ... + 119698.

It is an arithmetic number, because the mean of its divisors is an integer number (28203760).

Almost surely, 2^223148161 is an apocalyptic number.

It is an amenable number.

223148161 is a deficient number, since it is larger than the sum of its proper divisors (2481919).

223148161 is a wasteful number, since it uses less digits than its factorization.

223148161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135.

The product of its digits is 2304, while the sum is 28.

The square root of 223148161 is about 14938.1444965565. The cubic root of 223148161 is about 606.5469697366.

Adding to 223148161 its reverse (161841322), we get a palindrome (384989483).

The spelling of 223148161 in words is "two hundred twenty-three million, one hundred forty-eight thousand, one hundred sixty-one".