133052444 has 48 divisors (see below), whose sum is σ = 278980800. Its totient is φ = 55460160.

The previous prime is 133052429. The next prime is 133052471. The reversal of 133052444 is 444250331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49454 + ... + 52074.

It is an arithmetic number, because the mean of its divisors is an integer number (5812100).

Almost surely, 2^133052444 is an apocalyptic number.

133052444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133052444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139490400).

133052444 is an abundant number, since it is smaller than the sum of its proper divisors (145928356).

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

133052444 is a wasteful number, since it uses less digits than its factorization.

133052444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683 (or 2667 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 133052444 is about 11534.8361063346. The cubic root of 133052444 is about 510.5139558040.

The spelling of 133052444 in words is "one hundred thirty-three million, fifty-two thousand, four hundred forty-four".