42163345 has 16 divisors (see below), whose sum is σ = 57974400. Its totient is φ = 28836864.

The previous prime is 42163339. The next prime is 42163357. The reversal of 42163345 is 54336124.

It is not a de Polignac number, because 42163345 - 2¹¹ = 42161297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14374 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (3623400).

Almost surely, 2^42163345 is an apocalyptic number.

It is an amenable number.

42163345 is a deficient number, since it is larger than the sum of its proper divisors (15811055).

42163345 is a wasteful number, since it uses less digits than its factorization.

42163345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its digits is 8640, while the sum is 28.

The square root of 42163345 is about 6493.3308093766. The cubic root of 42163345 is about 348.0527097902.

Adding to 42163345 its reverse (54336124), we get a palindrome (96499469).

The spelling of 42163345 in words is "forty-two million, one hundred sixty-three thousand, three hundred forty-five".