42448845 has 8 divisors (see below), whose sum is σ = 67918176. Its totient is φ = 22639376.

The previous prime is 42448829. The next prime is 42448853. The reversal of 42448845 is 54884424.

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 42448845 - 2⁴ = 42448829 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414947 + ... + 1414976.

It is an arithmetic number, because the mean of its divisors is an integer number (8489772).

Almost surely, 2^42448845 is an apocalyptic number.

It is an amenable number.

42448845 is a deficient number, since it is larger than the sum of its proper divisors (25469331).

42448845 is a wasteful number, since it uses less digits than its factorization.

42448845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829931.

The product of its digits is 163840, while the sum is 39.

The square root of 42448845 is about 6515.2778144911. The cubic root of 42448845 is about 348.8365312447.

The spelling of 42448845 in words is "forty-two million, four hundred forty-eight thousand, eight hundred forty-five".