42350345 has 4 divisors (see below), whose sum is σ = 50820420. Its totient is φ = 33880272.

The previous prime is 42350333. The next prime is 42350389. The reversal of 42350345 is 54305324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7268416 + 35081929 = 2696^2 + 5923^2 .

It is a cyclic number.

It is not a de Polignac number, because 42350345 - 2²⁰ = 41301769 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 3 ways as a sum of consecutive naturals, for example, 4235030 + ... + 4235039.

It is an arithmetic number, because the mean of its divisors is an integer number (12705105).

Almost surely, 2^42350345 is an apocalyptic number.

It is an amenable number.

42350345 is a deficient number, since it is larger than the sum of its proper divisors (8470075).

42350345 is an equidigital number, since it uses as much as digits as its factorization.

42350345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470074.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 42350345 is about 6507.7142684663. The cubic root of 42350345 is about 348.5665041904.

Adding to 42350345 its reverse (54305324), we get a palindrome (96655669).

The spelling of 42350345 in words is "forty-two million, three hundred fifty thousand, three hundred forty-five".