133448554 has 4 divisors (see below), whose sum is σ = 200172834. Its totient is φ = 66724276.

The previous prime is 133448527. The next prime is 133448561. The reversal of 133448554 is 455844331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106564329 + 26884225 = 10323^2 + 5185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33362137 + ... + 33362140.

Almost surely, 2^133448554 is an apocalyptic number.

133448554 is a deficient number, since it is larger than the sum of its proper divisors (66724280).

133448554 is an equidigital number, since it uses as much as digits as its factorization.

133448554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66724279.

The product of its digits is 115200, while the sum is 37.

The square root of 133448554 is about 11551.9935076159. The cubic root of 133448554 is about 511.0200703664.

The spelling of 133448554 in words is "one hundred thirty-three million, four hundred forty-eight thousand, five hundred fifty-four".