133456445 has 8 divisors (see below), whose sum is σ = 160908000. Its totient is φ = 106258320.

The previous prime is 133456441. The next prime is 133456487. The reversal of 133456445 is 544654331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133456445 - 2² = 133456441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133456441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62195 + ... + 64304.

It is an arithmetic number, because the mean of its divisors is an integer number (20113500).

Almost surely, 2^133456445 is an apocalyptic number.

It is an amenable number.

133456445 is a deficient number, since it is larger than the sum of its proper divisors (27451555).

133456445 is a wasteful number, since it uses less digits than its factorization.

133456445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126715.

The product of its digits is 86400, while the sum is 35.

The square root of 133456445 is about 11552.3350453491. The cubic root of 133456445 is about 511.0301426122.

The spelling of 133456445 in words is "one hundred thirty-three million, four hundred fifty-six thousand, four hundred forty-five".