133045304 has 64 divisors (see below), whose sum is σ = 296663040. Its totient is φ = 54737280.

The previous prime is 133045261. The next prime is 133045313. The reversal of 133045304 is 403540331.

It is a self number, because there is not a number n which added to its sum of digits gives 133045304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300107 + ... + 300549.

It is an arithmetic number, because the mean of its divisors is an integer number (4635360).

Almost surely, 2^133045304 is an apocalyptic number.

133045304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133045304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148331520).

133045304 is an abundant number, since it is smaller than the sum of its proper divisors (163617736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133045304 is a wasteful number, since it uses less digits than its factorization.

133045304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 133045304 is about 11534.5266049370. The cubic root of 133045304 is about 510.5048237286.

Adding to 133045304 its reverse (403540331), we get a palindrome (536585635).

The spelling of 133045304 in words is "one hundred thirty-three million, forty-five thousand, three hundred four".