133443151 has 8 divisors (see below), whose sum is σ = 138626208. Its totient is φ = 128352000.

The previous prime is 133443143. The next prime is 133443157. The reversal of 133443151 is 151344331.

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 133443151 - 2³ = 133443143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133443157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20010 + ... + 25831.

It is an arithmetic number, because the mean of its divisors is an integer number (17328276).

Almost surely, 2^133443151 is an apocalyptic number.

133443151 is a deficient number, since it is larger than the sum of its proper divisors (5183057).

133443151 is an equidigital number, since it uses as much as digits as its factorization.

133443151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45953.

The product of its digits is 2160, while the sum is 25.

The square root of 133443151 is about 11551.7596495079. The cubic root of 133443151 is about 511.0131736295.

Adding to 133443151 its reverse (151344331), we get a palindrome (284787482).

The spelling of 133443151 in words is "one hundred thirty-three million, four hundred forty-three thousand, one hundred fifty-one".