243105103445 has 8 divisors (see below), whose sum is σ = 291733681536. Its totient is φ = 194479044496.

The previous prime is 243105103427. The next prime is 243105103457. The reversal of 243105103445 is 544301501342.

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 243105103445 - 2¹⁴ = 243105087061 is a prime.

It is a Duffinian number.

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, 410537 + ... + 809166.

It is an arithmetic number, because the mean of its divisors is an integer number (36466710192).

Almost surely, 2^243105103445 is an apocalyptic number.

It is an amenable number.

243105103445 is a deficient number, since it is larger than the sum of its proper divisors (48628578091).

243105103445 is a wasteful number, since it uses less digits than its factorization.

243105103445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259571.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 243105103445 its reverse (544301501342), we get a palindrome (787406604787).

The spelling of 243105103445 in words is "two hundred forty-three billion, one hundred five million, one hundred three thousand, four hundred forty-five".