42445283 has 4 divisors (see below), whose sum is σ = 42460248. Its totient is φ = 42430320.

The previous prime is 42445279. The next prime is 42445289. The reversal of 42445283 is 38254424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42445283 - 2² = 42445279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42445289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778 + ... + 9383.

It is an arithmetic number, because the mean of its divisors is an integer number (10615062).

Almost surely, 2^42445283 is an apocalyptic number.

42445283 is a deficient number, since it is larger than the sum of its proper divisors (14965).

42445283 is a wasteful number, since it uses less digits than its factorization.

42445283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964.

The product of its digits is 30720, while the sum is 32.

The square root of 42445283 is about 6515.0044512648. The cubic root of 42445283 is about 348.8267736923.

The spelling of 42445283 in words is "forty-two million, four hundred forty-five thousand, two hundred eighty-three".