133100545 has 8 divisors (see below), whose sum is σ = 159796224. Its totient is φ = 106430064.

The previous prime is 133100533. The next prime is 133100549. The reversal of 133100545 is 545001331.

It is a happy number.

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 133100545 - 2⁷ = 133100417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133100549) 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, 8482 + ... + 18388.

It is an arithmetic number, because the mean of its divisors is an integer number (19974528).

Almost surely, 2^133100545 is an apocalyptic number.

It is an amenable number.

133100545 is a deficient number, since it is larger than the sum of its proper divisors (26695679).

133100545 is an equidigital number, since it uses as much as digits as its factorization.

133100545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12599.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133100545 is about 11536.9209497162. The cubic root of 133100545 is about 510.5754685741.

Adding to 133100545 its reverse (545001331), we get a palindrome (678101876).

The spelling of 133100545 in words is "one hundred thirty-three million, one hundred thousand, five hundred forty-five".