243055453415 has 32 divisors (see below), whose sum is σ = 314624977920. Its totient is φ = 179658670464.

The previous prime is 243055453409. The next prime is 243055453519. The reversal of 243055453415 is 514354550342.

It is a cyclic number.

It is not a de Polignac number, because 243055453415 - 2¹⁶ = 243055387879 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2721602 + ... + 2809488.

It is an arithmetic number, because the mean of its divisors is an integer number (9832030560).

Almost surely, 2^243055453415 is an apocalyptic number.

243055453415 is a deficient number, since it is larger than the sum of its proper divisors (71569524505).

243055453415 is a wasteful number, since it uses less digits than its factorization.

243055453415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88631.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 243055453415 in words is "two hundred forty-three billion, fifty-five million, four hundred fifty-three thousand, four hundred fifteen".