133042443 has 8 divisors (see below), whose sum is σ = 179527488. Its totient is φ = 87626184.

The previous prime is 133042433. The next prime is 133042447. The reversal of 133042443 is 344240331.

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

It is not a de Polignac number, because 133042443 - 2⁵ = 133042411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133042447) 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, 266905 + ... + 267402.

It is an arithmetic number, because the mean of its divisors is an integer number (22440936).

Almost surely, 2^133042443 is an apocalyptic number.

133042443 is a deficient number, since it is larger than the sum of its proper divisors (46485045).

133042443 is an equidigital number, since it uses as much as digits as its factorization.

133042443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534393.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 133042443 is about 11534.4025853097. The cubic root of 133042443 is about 510.5011644118.

Adding to 133042443 its reverse (344240331), we get a palindrome (477282774).

The spelling of 133042443 in words is "one hundred thirty-three million, forty-two thousand, four hundred forty-three".