42343545 has 8 divisors (see below), whose sum is σ = 67749696. Its totient is φ = 22583216.

The previous prime is 42343541. The next prime is 42343547. The reversal of 42343545 is 54534324.

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 42343545 - 2² = 42343541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42343541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411437 + ... + 1411466.

It is an arithmetic number, because the mean of its divisors is an integer number (8468712).

Almost surely, 2^42343545 is an apocalyptic number.

It is an amenable number.

42343545 is a deficient number, since it is larger than the sum of its proper divisors (25406151).

42343545 is a wasteful number, since it uses less digits than its factorization.

42343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822911.

The product of its digits is 28800, while the sum is 30.

The square root of 42343545 is about 6507.1917906267. The cubic root of 42343545 is about 348.5478472853.

Adding to 42343545 its reverse (54534324), we get a palindrome (96877869).

The spelling of 42343545 in words is "forty-two million, three hundred forty-three thousand, five hundred forty-five".