133152225 has 24 divisors (see below), whose sum is σ = 220819200. Its totient is φ = 70797120.

The previous prime is 133152197. The next prime is 133152251. The reversal of 133152225 is 522251331.

It is a happy number.

It is not a de Polignac number, because 133152225 - 2¹⁰ = 133151201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133152195 and 133152204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23632 + ... + 28718.

It is an arithmetic number, because the mean of its divisors is an integer number (9200800).

Almost surely, 2^133152225 is an apocalyptic number.

133152225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133152225 is a deficient number, since it is larger than the sum of its proper divisors (87666975).

133152225 is a wasteful number, since it uses less digits than its factorization.

133152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449 (or 5444 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 133152225 is about 11539.1604980605. The cubic root of 133152225 is about 510.6415417467.

The spelling of 133152225 in words is "one hundred thirty-three million, one hundred fifty-two thousand, two hundred twenty-five".