243124245454 has 16 divisors (see below), whose sum is σ = 365278914000. Its totient is φ = 121364711424.

The previous prime is 243124245443. The next prime is 243124245521. The reversal of 243124245454 is 454542421342.

It is a super-2 number, since 2×243124245454² (a number of 24 digits) contains 22 as substring.

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, 5049904 + ... + 5097820.

It is an arithmetic number, because the mean of its divisors is an integer number (22829932125).

Almost surely, 2^243124245454 is an apocalyptic number.

243124245454 is a deficient number, since it is larger than the sum of its proper divisors (122154668546).

243124245454 is a wasteful number, since it uses less digits than its factorization.

243124245454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51987.

The product of its digits is 614400, while the sum is 40.

Adding to 243124245454 its reverse (454542421342), we get a palindrome (697666666796).

The spelling of 243124245454 in words is "two hundred forty-three billion, one hundred twenty-four million, two hundred forty-five thousand, four hundred fifty-four".