42102246 has 32 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 13444704.

The previous prime is 42102199. The next prime is 42102257. The reversal of 42102246 is 64220124.

42102246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 12135 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (2744280).

Almost surely, 2^42102246 is an apocalyptic number.

42102246 is an abundant number, since it is smaller than the sum of its proper divisors (45714714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42102246 is a wasteful number, since it uses less digits than its factorization.

42102246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42102246 is about 6488.6243534358. The cubic root of 42102246 is about 347.8845071896.

The spelling of 42102246 in words is "forty-two million, one hundred two thousand, two hundred forty-six".