133204045 has 8 divisors (see below), whose sum is σ = 172140696. Its totient is φ = 98366016.

The previous prime is 133204031. The next prime is 133204051. The reversal of 133204045 is 540402331.

It can be written as a sum of positive squares in 4 ways, for example, as 447561 + 132756484 = 669^2 + 11522^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133204045 - 2²¹ = 131106893 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1024582 + ... + 1024711.

It is an arithmetic number, because the mean of its divisors is an integer number (21517587).

Almost surely, 2^133204045 is an apocalyptic number.

It is an amenable number.

133204045 is a deficient number, since it is larger than the sum of its proper divisors (38936651).

133204045 is a wasteful number, since it uses less digits than its factorization.

133204045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049311.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133204045 is about 11541.4056769529. The cubic root of 133204045 is about 510.7077767463.

Adding to 133204045 its reverse (540402331), we get a palindrome (673606376).

The spelling of 133204045 in words is "one hundred thirty-three million, two hundred four thousand, forty-five".