42235345 has 4 divisors (see below), whose sum is σ = 50682420. Its totient is φ = 33788272.

The previous prime is 42235343. The next prime is 42235357. The reversal of 42235345 is 54353224.

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 16184529 + 26050816 = 4023^2 + 5104^2 .

It is a cyclic number.

It is not a de Polignac number, because 42235345 - 2¹ = 42235343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42235343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223530 + ... + 4223539.

It is an arithmetic number, because the mean of its divisors is an integer number (12670605).

Almost surely, 2^42235345 is an apocalyptic number.

It is an amenable number.

42235345 is a deficient number, since it is larger than the sum of its proper divisors (8447075).

42235345 is an equidigital number, since it uses as much as digits as its factorization.

42235345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447074.

The product of its digits is 14400, while the sum is 28.

The square root of 42235345 is about 6498.8725945351. The cubic root of 42235345 is about 348.2507138797.

Adding to 42235345 its reverse (54353224), we get a palindrome (96588569).

The spelling of 42235345 in words is "forty-two million, two hundred thirty-five thousand, three hundred forty-five".