133333455444 has 48 divisors (see below), whose sum is σ = 356063250816. Its totient is φ = 38040912000.

The previous prime is 133333455433. The next prime is 133333455449. The reversal of 133333455444 is 444554333331.

133333455444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 133333455396 and 133333455405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333455449) 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 15 ways as a sum of consecutive naturals, for example, 1073287 + ... + 1191054.

It is an arithmetic number, because the mean of its divisors is an integer number (7417984392).

Almost surely, 2^133333455444 is an apocalyptic number.

133333455444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133333455444 is an abundant number, since it is smaller than the sum of its proper divisors (222729795372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133333455444 is a wasteful number, since it uses less digits than its factorization.

133333455444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265056 (or 2265054 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 42.

Adding to 133333455444 its reverse (444554333331), we get a palindrome (577887788775).

The spelling of 133333455444 in words is "one hundred thirty-three billion, three hundred thirty-three million, four hundred fifty-five thousand, four hundred forty-four".