133047645 has 8 divisors (see below), whose sum is σ = 212876256. Its totient is φ = 70958736.

The previous prime is 133047641. The next prime is 133047653. The reversal of 133047645 is 546740331.

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

It is not a de Polignac number, because 133047645 - 2² = 133047641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133047641) 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, 4434907 + ... + 4434936.

It is an arithmetic number, because the mean of its divisors is an integer number (26609532).

Almost surely, 2^133047645 is an apocalyptic number.

133047645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133047645 is a deficient number, since it is larger than the sum of its proper divisors (79828611).

133047645 is an equidigital number, since it uses as much as digits as its factorization.

133047645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869851.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 133047645 is about 11534.6280824307. The cubic root of 133047645 is about 510.5078179087.

Adding to 133047645 its reverse (546740331), we get a palindrome (679787976).

The spelling of 133047645 in words is "one hundred thirty-three million, forty-seven thousand, six hundred forty-five".