42105433 has 8 divisors (see below), whose sum is σ = 44657856. Its totient is φ = 39613200.

The previous prime is 42105407. The next prime is 42105449. The reversal of 42105433 is 33450124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42105433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42105493) 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, 13603 + ... + 16408.

It is an arithmetic number, because the mean of its divisors is an integer number (5582232).

Almost surely, 2^42105433 is an apocalyptic number.

It is an amenable number.

42105433 is a deficient number, since it is larger than the sum of its proper divisors (2552423).

42105433 is a wasteful number, since it uses less digits than its factorization.

42105433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30095.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42105433 is about 6488.8699324305. The cubic root of 42105433 is about 347.8932848682.

Adding to 42105433 its reverse (33450124), we get a palindrome (75555557).

The spelling of 42105433 in words is "forty-two million, one hundred five thousand, four hundred thirty-three".