133755145 has 8 divisors (see below), whose sum is σ = 160592256. Its totient is φ = 106946736.

The previous prime is 133755121. The next prime is 133755151. The reversal of 133755145 is 541557331.

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 133755145 - 2¹¹ = 133753097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133755145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4944 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (20074032).

Almost surely, 2^133755145 is an apocalyptic number.

It is an amenable number.

133755145 is a deficient number, since it is larger than the sum of its proper divisors (26837111).

133755145 is a wasteful number, since it uses less digits than its factorization.

133755145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14351.

The product of its digits is 31500, while the sum is 34.

The square root of 133755145 is about 11565.2559418285. The cubic root of 133755145 is about 511.4111182499.

The spelling of 133755145 in words is "one hundred thirty-three million, seven hundred fifty-five thousand, one hundred forty-five".