42230245 has 8 divisors (see below), whose sum is σ = 50727960. Its totient is φ = 33749760.

The previous prime is 42230219. The next prime is 42230249. The reversal of 42230245 is 54203224.

It can be written as a sum of positive squares in 4 ways, for example, as 3305124 + 38925121 = 1818^2 + 6239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42230245 - 2⁵ = 42230213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1905 + ... + 9385.

It is an arithmetic number, because the mean of its divisors is an integer number (6340995).

Almost surely, 2^42230245 is an apocalyptic number.

It is an amenable number.

42230245 is a deficient number, since it is larger than the sum of its proper divisors (8497715).

42230245 is a wasteful number, since it uses less digits than its factorization.

42230245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42230245 is about 6498.4802069407. The cubic root of 42230245 is about 348.2366959986.

Adding to 42230245 its reverse (54203224), we get a palindrome (96433469).

The spelling of 42230245 in words is "forty-two million, two hundred thirty thousand, two hundred forty-five".