133543450 has 24 divisors (see below), whose sum is σ = 253680192. Its totient is φ = 52279920.

The previous prime is 133543441. The next prime is 133543453. The reversal of 133543450 is 54345331.

It is not an unprimeable number, because it can be changed into a prime (133543453) 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 11 ways as a sum of consecutive naturals, for example, 26064 + ... + 30763.

It is an arithmetic number, because the mean of its divisors is an integer number (10570008).

Almost surely, 2^133543450 is an apocalyptic number.

133543450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133543450 is a deficient number, since it is larger than the sum of its proper divisors (120136742).

133543450 is a wasteful number, since it uses less digits than its factorization.

133543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56886 (or 56881 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 133543450 is about 11556.1001207155. The cubic root of 133543450 is about 511.1411713924.

Adding to 133543450 its reverse (54345331), we get a palindrome (187888781).

The spelling of 133543450 in words is "one hundred thirty-three million, five hundred forty-three thousand, four hundred fifty".