33130045 has 8 divisors (see below), whose sum is σ = 42814296. Its totient is φ = 24465216.

The previous prime is 33130043. The next prime is 33130057. The reversal of 33130045 is 54003133.

It can be written as a sum of positive squares in 4 ways, for example, as 480249 + 32649796 = 693^2 + 5714^2 .

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 33130045 - 2¹ = 33130043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254782 + ... + 254911.

It is an arithmetic number, because the mean of its divisors is an integer number (5351787).

Almost surely, 2^33130045 is an apocalyptic number.

It is an amenable number.

33130045 is a deficient number, since it is larger than the sum of its proper divisors (9684251).

33130045 is a wasteful number, since it uses less digits than its factorization.

33130045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509711.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 33130045 is about 5755.8704815171. The cubic root of 33130045 is about 321.1742179192.

Adding to 33130045 its reverse (54003133), we get a palindrome (87133178).

The spelling of 33130045 in words is "thirty-three million, one hundred thirty thousand, forty-five".