42016345 has 8 divisors (see below), whose sum is σ = 57622464. Its totient is φ = 28811184.

The previous prime is 42016321. The next prime is 42016363. The reversal of 42016345 is 54361024.

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

It is a cyclic number.

It is not a de Polignac number, because 42016345 - 2⁵ = 42016313 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 600199 + ... + 600268.

It is an arithmetic number, because the mean of its divisors is an integer number (7202808).

Almost surely, 2^42016345 is an apocalyptic number.

It is an amenable number.

42016345 is a deficient number, since it is larger than the sum of its proper divisors (15606119).

42016345 is a wasteful number, since it uses less digits than its factorization.

42016345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200479.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42016345 is about 6482.0016198702. The cubic root of 42016345 is about 347.6477504306.

Adding to 42016345 its reverse (54361024), we get a palindrome (96377369).

The spelling of 42016345 in words is "forty-two million, sixteen thousand, three hundred forty-five".