243234415144 has 48 divisors (see below), whose sum is σ = 544862563380. Its totient is φ = 101425927680.

The previous prime is 243234415133. The next prime is 243234415147. The reversal of 243234415144 is 441514432342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 179553892644 + 63680522500 = 423738^2 + 252350^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (243234415147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8370577 + ... + 8399584.

Almost surely, 2^243234415144 is an apocalyptic number.

It is an amenable number.

243234415144 is an abundant number, since it is smaller than the sum of its proper divisors (301628148236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243234415144 is a wasteful number, since it uses less digits than its factorization.

243234415144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16770218 (or 16770207 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 243234415144 its reverse (441514432342), we get a palindrome (684748847486).

It can be divided in two parts, 243234 and 415144, that added together give a triangular number (658378 = T₁₁₄₇).

The spelling of 243234415144 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred fifteen thousand, one hundred forty-four".