42232445 has 8 divisors (see below), whose sum is σ = 51435744. Its totient is φ = 33281424.

The previous prime is 42232441. The next prime is 42232451. The reversal of 42232445 is 54423224.

It is a happy number.

42232445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42232445 - 2² = 42232441 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 (42232441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62699 + ... + 63368.

It is an arithmetic number, because the mean of its divisors is an integer number (6429468).

Almost surely, 2^42232445 is an apocalyptic number.

It is an amenable number.

42232445 is a deficient number, since it is larger than the sum of its proper divisors (9203299).

42232445 is a wasteful number, since it uses less digits than its factorization.

42232445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126139.

The product of its digits is 7680, while the sum is 26.

The square root of 42232445 is about 6498.6494750833. The cubic root of 42232445 is about 348.2427430661.

Adding to 42232445 its reverse (54423224), we get a palindrome (96655669).

The spelling of 42232445 in words is "forty-two million, two hundred thirty-two thousand, four hundred forty-five".