1232304545 has 4 divisors (see below), whose sum is σ = 1478765460. Its totient is φ = 985843632.

The previous prime is 1232304497. The next prime is 1232304547. The reversal of 1232304545 is 5454032321.

It is a happy number.

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 840304144 + 392000401 = 28988^2 + 19799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232304545 - 2¹⁸ = 1232042401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232304547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123230450 + ... + 123230459.

It is an arithmetic number, because the mean of its divisors is an integer number (369691365).

Almost surely, 2^1232304545 is an apocalyptic number.

It is an amenable number.

1232304545 is a deficient number, since it is larger than the sum of its proper divisors (246460915).

1232304545 is an equidigital number, since it uses as much as digits as its factorization.

1232304545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246460914.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1232304545 is about 35104.1955469713. The cubic root of 1232304545 is about 1072.1100079359.

Adding to 1232304545 its reverse (5454032321), we get a palindrome (6686336866).

The spelling of 1232304545 in words is "one billion, two hundred thirty-two million, three hundred four thousand, five hundred forty-five".