42455133 has 12 divisors (see below), whose sum is σ = 70084768. Its totient is φ = 24260040.

The previous prime is 42455123. The next prime is 42455183. The reversal of 42455133 is 33155424.

42455133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42455133 - 2⁸ = 42454877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42455097 and 42455106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336883 + ... + 337008.

Almost surely, 2^42455133 is an apocalyptic number.

It is an amenable number.

42455133 is a deficient number, since it is larger than the sum of its proper divisors (27629635).

42455133 is a wasteful number, since it uses less digits than its factorization.

42455133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673904 (or 673901 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 42455133 is about 6515.7603547092. The cubic root of 42455133 is about 348.8537549234.

The spelling of 42455133 in words is "forty-two million, four hundred fifty-five thousand, one hundred thirty-three".