133244152 has 16 divisors (see below), whose sum is σ = 260695440. Its totient is φ = 63725376.

The previous prime is 133244119. The next prime is 133244159. The reversal of 133244152 is 251442331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133244159) 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, 361893 + ... + 362260.

It is an arithmetic number, because the mean of its divisors is an integer number (16293465).

Almost surely, 2^133244152 is an apocalyptic number.

It is an amenable number.

133244152 is a deficient number, since it is larger than the sum of its proper divisors (127451288).

133244152 is a wasteful number, since it uses less digits than its factorization.

133244152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724182 (or 724178 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 133244152 is about 11543.1430728377. The cubic root of 133244152 is about 510.7590286968.

Adding to 133244152 its reverse (251442331), we get a palindrome (384686483).

The spelling of 133244152 in words is "one hundred thirty-three million, two hundred forty-four thousand, one hundred fifty-two".