42345365 has 8 divisors (see below), whose sum is σ = 52566840. Its totient is φ = 32708032.

The previous prime is 42345341. The next prime is 42345389. The reversal of 42345365 is 56354324.

It is an interprime number because it is at equal distance from previous prime (42345341) and next prime (42345389).

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 42081169 = 514^2 + 6487^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42345365 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 145874 + ... + 146163.

It is an arithmetic number, because the mean of its divisors is an integer number (6570855).

Almost surely, 2^42345365 is an apocalyptic number.

It is an amenable number.

42345365 is a deficient number, since it is larger than the sum of its proper divisors (10221475).

42345365 is a wasteful number, since it uses less digits than its factorization.

42345365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292071.

The product of its digits is 43200, while the sum is 32.

The square root of 42345365 is about 6507.3316343952. The cubic root of 42345365 is about 348.5528409468.

Adding to 42345365 its reverse (56354324), we get a palindrome (98699689).

The spelling of 42345365 in words is "forty-two million, three hundred forty-five thousand, three hundred sixty-five".