1232505445 has 4 divisors (see below), whose sum is σ = 1479006540. Its totient is φ = 986004352.

The previous prime is 1232505403. The next prime is 1232505467. The reversal of 1232505445 is 5445052321.

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 392317249 + 840188196 = 19807^2 + 28986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232505445 - 2¹¹ = 1232503397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123250540 + ... + 123250549.

It is an arithmetic number, because the mean of its divisors is an integer number (369751635).

Almost surely, 2^1232505445 is an apocalyptic number.

It is an amenable number.

1232505445 is a deficient number, since it is larger than the sum of its proper divisors (246501095).

1232505445 is an equidigital number, since it uses as much as digits as its factorization.

1232505445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246501094.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1232505445 is about 35107.0569116809. The cubic root of 1232505445 is about 1072.1682660448.

Adding to 1232505445 its reverse (5445052321), we get a palindrome (6677557766).

The spelling of 1232505445 in words is "one billion, two hundred thirty-two million, five hundred five thousand, four hundred forty-five".