243448045 has 8 divisors (see below), whose sum is σ = 307513440. Its totient is φ = 184507920.

The previous prime is 243448039. The next prime is 243448057. The reversal of 243448045 is 540844342.

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

It is not a de Polignac number, because 243448045 - 2¹³ = 243439853 is a prime.

It is a super-2 number, since 2×243448045² = 118533901228644050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243448045.

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, 1281211 + ... + 1281400.

It is an arithmetic number, because the mean of its divisors is an integer number (38439180).

Almost surely, 2^243448045 is an apocalyptic number.

It is an amenable number.

243448045 is a deficient number, since it is larger than the sum of its proper divisors (64065395).

243448045 is a wasteful number, since it uses less digits than its factorization.

243448045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562635.

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 243448045 is about 15602.8216999362. The cubic root of 243448045 is about 624.4084386650.

The spelling of 243448045 in words is "two hundred forty-three million, four hundred forty-eight thousand, forty-five".