42245533 has 4 divisors (see below), whose sum is σ = 46086048. Its totient is φ = 38405020.

The previous prime is 42245519. The next prime is 42245563. The reversal of 42245533 is 33554224.

42245533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42245533 - 2⁵ = 42245501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42245563) 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 3 ways as a sum of consecutive naturals, for example, 1920241 + ... + 1920262.

It is an arithmetic number, because the mean of its divisors is an integer number (11521512).

Almost surely, 2^42245533 is an apocalyptic number.

It is an amenable number.

42245533 is a deficient number, since it is larger than the sum of its proper divisors (3840515).

42245533 is a wasteful number, since it uses less digits than its factorization.

42245533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840514.

The product of its digits is 14400, while the sum is 28.

The square root of 42245533 is about 6499.6563755325. The cubic root of 42245533 is about 348.2787132803.

Adding to 42245533 its reverse (33554224), we get a palindrome (75799757).

It can be divided in two parts, 42245 and 533, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42245533 in words is "forty-two million, two hundred forty-five thousand, five hundred thirty-three".