133023345 has 32 divisors (see below), whose sum is σ = 261956352. Its totient is φ = 56132352.

The previous prime is 133023343. The next prime is 133023391. The reversal of 133023345 is 543320331.

It is a happy number.

It is not a de Polignac number, because 133023345 - 2¹ = 133023343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133023343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47362 + ... + 50091.

It is an arithmetic number, because the mean of its divisors is an integer number (8186136).

Almost surely, 2^133023345 is an apocalyptic number.

133023345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133023345 is a deficient number, since it is larger than the sum of its proper divisors (128933007).

133023345 is a wasteful number, since it uses less digits than its factorization.

133023345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97481.

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

The square root of 133023345 is about 11533.5746843726. The cubic root of 133023345 is about 510.4767360725.

Adding to 133023345 its reverse (543320331), we get a palindrome (676343676).

The spelling of 133023345 in words is "one hundred thirty-three million, twenty-three thousand, three hundred forty-five".