232145105 has 4 divisors (see below), whose sum is σ = 278574132. Its totient is φ = 185716080.

The previous prime is 232145093. The next prime is 232145161. The reversal of 232145105 is 501541232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82156096 + 149989009 = 9064^2 + 12247^2 .

It is not a de Polignac number, because 232145105 - 2¹² = 232141009 is a prime.

It is a super-2 number, since 2×232145105² = 107782699550922050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23214506 + ... + 23214515.

It is an arithmetic number, because the mean of its divisors is an integer number (69643533).

Almost surely, 2^232145105 is an apocalyptic number.

It is an amenable number.

232145105 is a deficient number, since it is larger than the sum of its proper divisors (46429027).

232145105 is an equidigital number, since it uses as much as digits as its factorization.

232145105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46429026.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 232145105 is about 15236.3087721403. The cubic root of 232145105 is about 614.5914443387.

Adding to 232145105 its reverse (501541232), we get a palindrome (733686337).

The spelling of 232145105 in words is "two hundred thirty-two million, one hundred forty-five thousand, one hundred five".