243042130451 has 8 divisors (see below), whose sum is σ = 251434627200. Its totient is φ = 234650416000.

The previous prime is 243042130447. The next prime is 243042130477. The reversal of 243042130451 is 154031240342.

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 243042130451 - 2² = 243042130447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243042130411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475595 + ... + 843963.

It is an arithmetic number, because the mean of its divisors is an integer number (31429328400).

Almost surely, 2^243042130451 is an apocalyptic number.

243042130451 is a deficient number, since it is larger than the sum of its proper divisors (8392496749).

243042130451 is a wasteful number, since it uses less digits than its factorization.

243042130451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391149.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 243042130451 its reverse (154031240342), we get a palindrome (397073370793).

The spelling of 243042130451 in words is "two hundred forty-three billion, forty-two million, one hundred thirty thousand, four hundred fifty-one".