42105302 has 4 divisors (see below), whose sum is σ = 63157956. Its totient is φ = 21052650.

The previous prime is 42105263. The next prime is 42105313. The reversal of 42105302 is 20350124.

42105302 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.

It is a super-2 number, since 2×42105302² = 3545712913022408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10526324 + ... + 10526327.

It is an arithmetic number, because the mean of its divisors is an integer number (15789489).

Almost surely, 2^42105302 is an apocalyptic number.

42105302 is a deficient number, since it is larger than the sum of its proper divisors (21052654).

42105302 is a wasteful number, since it uses less digits than its factorization.

42105302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21052653.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42105302 is about 6488.8598382150. The cubic root of 42105302 is about 347.8929240749.

Adding to 42105302 its reverse (20350124), we get a palindrome (62455426).

The spelling of 42105302 in words is "forty-two million, one hundred five thousand, three hundred two".