42230045 has 16 divisors (see below), whose sum is σ = 59536512. Its totient is φ = 28349760.

The previous prime is 42230039. The next prime is 42230063. The reversal of 42230045 is 54003224.

It is not a de Polignac number, because 42230045 - 2⁶ = 42229981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42229999 and 42230026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28817 + ... + 30246.

It is an arithmetic number, because the mean of its divisors is an integer number (3721032).

Almost surely, 2^42230045 is an apocalyptic number.

It is an amenable number.

42230045 is a deficient number, since it is larger than the sum of its proper divisors (17306467).

42230045 is a wasteful number, since it uses less digits than its factorization.

42230045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59092.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42230045 is about 6498.4648187091. The cubic root of 42230045 is about 348.2361462548.

Adding to 42230045 its reverse (54003224), we get a palindrome (96233269).

The spelling of 42230045 in words is "forty-two million, two hundred thirty thousand, forty-five".