42345541 has 8 divisors (see below), whose sum is σ = 49117760. Its totient is φ = 35754048.

The previous prime is 42345491. The next prime is 42345587. The reversal of 42345541 is 14554324.

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 42345541 - 2⁹ = 42345029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345341) 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, 44676 + ... + 45613.

It is an arithmetic number, because the mean of its divisors is an integer number (6139720).

Almost surely, 2^42345541 is an apocalyptic number.

It is an amenable number.

42345541 is a deficient number, since it is larger than the sum of its proper divisors (6772219).

42345541 is an equidigital number, since it uses as much as digits as its factorization.

42345541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90363.

The product of its digits is 9600, while the sum is 28.

The square root of 42345541 is about 6507.3451575892. The cubic root of 42345541 is about 348.5533238427.

Adding to 42345541 its reverse (14554324), we get a palindrome (56899865).

The spelling of 42345541 in words is "forty-two million, three hundred forty-five thousand, five hundred forty-one".