133455425 has 12 divisors (see below), whose sum is σ = 165861036. Its totient is φ = 106521600.

The previous prime is 133455409. The next prime is 133455467. The reversal of 133455425 is 524554331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 583696 + 132871729 = 764^2 + 11527^2 .

It is not a de Polignac number, because 133455425 - 2⁴ = 133455409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133455391 and 133455400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5585 + ... + 17265.

It is an arithmetic number, because the mean of its divisors is an integer number (13821753).

Almost surely, 2^133455425 is an apocalyptic number.

It is an amenable number.

133455425 is a deficient number, since it is larger than the sum of its proper divisors (32405611).

133455425 is a wasteful number, since it uses less digits than its factorization.

133455425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148 (or 12143 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 133455425 is about 11552.2908983457. The cubic root of 133455425 is about 511.0288406841.

The spelling of 133455425 in words is "one hundred thirty-three million, four hundred fifty-five thousand, four hundred twenty-five".