133450243 has 8 divisors (see below), whose sum is σ = 140817600. Its totient is φ = 126117288.

The previous prime is 133450241. The next prime is 133450253. The reversal of 133450243 is 342054331.

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

It is not a de Polignac number, because 133450243 - 2¹ = 133450241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133450241) 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 7 ways as a sum of consecutive naturals, for example, 421 + ... + 16342.

It is an arithmetic number, because the mean of its divisors is an integer number (17602200).

Almost surely, 2^133450243 is an apocalyptic number.

133450243 is a deficient number, since it is larger than the sum of its proper divisors (7367357).

133450243 is a wasteful number, since it uses less digits than its factorization.

133450243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 133450243 is about 11552.0666116501. The cubic root of 133450243 is about 511.0222262765.

The spelling of 133450243 in words is "one hundred thirty-three million, four hundred fifty thousand, two hundred forty-three".