42243316 has 12 divisors (see below), whose sum is σ = 74757060. Its totient is φ = 20884160.

The previous prime is 42243281. The next prime is 42243337. The reversal of 42243316 is 61334224.

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 27772900 = 3804^2 + 5270^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 58975 + ... + 59686.

It is an arithmetic number, because the mean of its divisors is an integer number (6229755).

Almost surely, 2^42243316 is an apocalyptic number.

It is an amenable number.

42243316 is a deficient number, since it is larger than the sum of its proper divisors (32513744).

42243316 is a wasteful number, since it uses less digits than its factorization.

42243316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118754 (or 118752 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 42243316 is about 6499.4858258173. The cubic root of 42243316 is about 348.2726207433.

The spelling of 42243316 in words is "forty-two million, two hundred forty-three thousand, three hundred sixteen".