133345844 has 12 divisors (see below), whose sum is σ = 233973600. Its totient is φ = 66496248.

The previous prime is 133345843. The next prime is 133345853. The reversal of 133345844 is 448543331.

It is a super-2 number, since 2×133345844² = 35562228224144672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133345843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42464 + ... + 45495.

It is an arithmetic number, because the mean of its divisors is an integer number (19497800).

Almost surely, 2^133345844 is an apocalyptic number.

It is an amenable number.

133345844 is a deficient number, since it is larger than the sum of its proper divisors (100627756).

133345844 is a wasteful number, since it uses less digits than its factorization.

133345844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88342 (or 88340 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 133345844 is about 11547.5470988431. The cubic root of 133345844 is about 510.8889328324. Note that the first 3 decimals are identical.

The spelling of 133345844 in words is "one hundred thirty-three million, three hundred forty-five thousand, eight hundred forty-four".