243203062245 has 64 divisors (see below), whose sum is σ = 484045196544. Its totient is φ = 102443397120.

The previous prime is 243203062243. The next prime is 243203062247. The reversal of 243203062245 is 542260302342.

It is an interprime number because it is at equal distance from previous prime (243203062243) and next prime (243203062247).

It is not a de Polignac number, because 243203062245 - 2¹ = 243203062243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243203062241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3298282 + ... + 3371211.

It is an arithmetic number, because the mean of its divisors is an integer number (7563206196).

Almost surely, 2^243203062245 is an apocalyptic number.

It is an amenable number.

243203062245 is a deficient number, since it is larger than the sum of its proper divisors (240842134299).

243203062245 is a wasteful number, since it uses less digits than its factorization.

243203062245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669542.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 243203062245 its reverse (542260302342), we get a palindrome (785463364587).

The spelling of 243203062245 in words is "two hundred forty-three billion, two hundred three million, sixty-two thousand, two hundred forty-five".