133522443 has 12 divisors (see below), whose sum is σ = 203016840. Its totient is φ = 84329856.

The previous prime is 133522399. The next prime is 133522453. The reversal of 133522443 is 344225331.

133522443 is a `hidden beast` number, since 133 + 522 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 133522443 - 2¹² = 133518347 is a prime.

It is a super-4 number, since 4×133522443⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (133522453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390246 + ... + 390587.

It is an arithmetic number, because the mean of its divisors is an integer number (16918070).

Almost surely, 2^133522443 is an apocalyptic number.

133522443 is a deficient number, since it is larger than the sum of its proper divisors (69494397).

133522443 is a wasteful number, since it uses less digits than its factorization.

133522443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780858 (or 780855 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 133522443 is about 11555.1911710711. The cubic root of 133522443 is about 511.1143683665.

Adding to 133522443 its reverse (344225331), we get a palindrome (477747774).

The spelling of 133522443 in words is "one hundred thirty-three million, five hundred twenty-two thousand, four hundred forty-three".