133322144 has 12 divisors (see below), whose sum is σ = 262478034. Its totient is φ = 66661056.

The previous prime is 133322141. The next prime is 133322159. The reversal of 133322144 is 441223331.

It can be written as a sum of positive squares in only one way, i.e., 133171600 + 150544 = 11540^2 + 388^2 .

It is not an unprimeable number, because it can be changed into a prime (133322141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083127 + ... + 2083190.

Almost surely, 2^133322144 is an apocalyptic number.

It is an amenable number.

133322144 is a deficient number, since it is larger than the sum of its proper divisors (129155890).

133322144 is an equidigital number, since it uses as much as digits as its factorization.

133322144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166327 (or 4166319 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 133322144 is about 11546.5208612811. The cubic root of 133322144 is about 510.8586637098.

Adding to 133322144 its reverse (441223331), we get a palindrome (574545475).

The spelling of 133322144 in words is "one hundred thirty-three million, three hundred twenty-two thousand, one hundred forty-four".