133350145 has 4 divisors (see below), whose sum is σ = 160020180. Its totient is φ = 106680112.

The previous prime is 133350143. The next prime is 133350169. The reversal of 133350145 is 541053331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29289744 + 104060401 = 5412^2 + 10201^2 .

It is a cyclic number.

It is not a de Polignac number, because 133350145 - 2¹ = 133350143 is a prime.

It is a super-2 number, since 2×133350145² = 35564522343042050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133350143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13335010 + ... + 13335019.

It is an arithmetic number, because the mean of its divisors is an integer number (40005045).

Almost surely, 2^133350145 is an apocalyptic number.

It is an amenable number.

133350145 is a deficient number, since it is larger than the sum of its proper divisors (26670035).

133350145 is an equidigital number, since it uses as much as digits as its factorization.

133350145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26670034.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 133350145 is about 11547.7333273678. The cubic root of 133350145 is about 510.8944255912.

The spelling of 133350145 in words is "one hundred thirty-three million, three hundred fifty thousand, one hundred forty-five".