42345065 has 16 divisors (see below), whose sum is σ = 59260800. Its totient is φ = 29035440.

The previous prime is 42345049. The next prime is 42345071. The reversal of 42345065 is 56054324.

It is not a de Polignac number, because 42345065 - 2⁴ = 42345049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10631 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (3703800).

Almost surely, 2^42345065 is an apocalyptic number.

It is an amenable number.

42345065 is a deficient number, since it is larger than the sum of its proper divisors (16915735).

42345065 is an equidigital number, since it uses as much as digits as its factorization.

42345065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24717 (or 24703 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 42345065 is about 6507.3085834314. The cubic root of 42345065 is about 348.5520178256.

Adding to 42345065 its reverse (56054324), we get a palindrome (98399389).

The spelling of 42345065 in words is "forty-two million, three hundred forty-five thousand, sixty-five".