243452141455 has 4 divisors (see below), whose sum is σ = 292142569752. Its totient is φ = 194761713160.

The previous prime is 243452141423. The next prime is 243452141461. The reversal of 243452141455 is 554141254342.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 243452141455 - 2⁵ = 243452141423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24345214141 + ... + 24345214150.

It is an arithmetic number, because the mean of its divisors is an integer number (73035642438).

Almost surely, 2^243452141455 is an apocalyptic number.

243452141455 is a deficient number, since it is larger than the sum of its proper divisors (48690428297).

243452141455 is an equidigital number, since it uses as much as digits as its factorization.

243452141455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48690428296.

The product of its digits is 384000, while the sum is 40.

Adding to 243452141455 its reverse (554141254342), we get a palindrome (797593395797).

The spelling of 243452141455 in words is "two hundred forty-three billion, four hundred fifty-two million, one hundred forty-one thousand, four hundred fifty-five".