133302345 has 32 divisors (see below), whose sum is σ = 233763840. Its totient is φ = 64328640.

The previous prime is 133302343. The next prime is 133302349. The reversal of 133302345 is 543203331.

It is a happy number.

It is not a de Polignac number, because 133302345 - 2¹ = 133302343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133302341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35676 + ... + 39234.

It is an arithmetic number, because the mean of its divisors is an integer number (7305120).

Almost surely, 2^133302345 is an apocalyptic number.

133302345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133302345 is a deficient number, since it is larger than the sum of its proper divisors (100461495).

133302345 is a wasteful number, since it uses less digits than its factorization.

133302345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 133302345 is about 11545.6634716243. The cubic root of 133302345 is about 510.8333741090.

Adding to 133302345 its reverse (543203331), we get a palindrome (676505676).

The spelling of 133302345 in words is "one hundred thirty-three million, three hundred two thousand, three hundred forty-five".