42445334 has 8 divisors (see below), whose sum is σ = 63713520. Its totient is φ = 21207496.

The previous prime is 42445321. The next prime is 42445369. The reversal of 42445334 is 43354424.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42445297 and 42445306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 9924.

It is an arithmetic number, because the mean of its divisors is an integer number (7964190).

Almost surely, 2^42445334 is an apocalyptic number.

42445334 is a deficient number, since it is larger than the sum of its proper divisors (21268186).

42445334 is a wasteful number, since it uses less digits than its factorization.

42445334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15174.

The product of its digits is 23040, while the sum is 29.

The square root of 42445334 is about 6515.0083653055. The cubic root of 42445334 is about 348.8269134029.

Adding to 42445334 its reverse (43354424), we get a palindrome (85799758).

The spelling of 42445334 in words is "forty-two million, four hundred forty-five thousand, three hundred thirty-four".