133045612 has 24 divisors (see below), whose sum is σ = 272281856. Its totient is φ = 55693008.

The previous prime is 133045609. The next prime is 133045613. The reversal of 133045612 is 216540331.

It is a super-2 number, since 2×133045612² = 35402269744909088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133045613) 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 7 ways as a sum of consecutive naturals, for example, 54048 + ... + 56455.

Almost surely, 2^133045612 is an apocalyptic number.

It is an amenable number.

133045612 is an abundant number, since it is smaller than the sum of its proper divisors (139236244).

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

133045612 is a wasteful number, since it uses less digits than its factorization.

133045612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110557 (or 110555 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 133045612 is about 11534.5399561491. The cubic root of 133045612 is about 510.5052176680.

Adding to 133045612 its reverse (216540331), we get a palindrome (349585943).

The spelling of 133045612 in words is "one hundred thirty-three million, forty-five thousand, six hundred twelve".