243153054 has 24 divisors (see below), whose sum is σ = 527373912. Its totient is φ = 80967600.

The previous prime is 243153049. The next prime is 243153077. The reversal of 243153054 is 450351342.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12492 + ... + 25344.

It is an arithmetic number, because the mean of its divisors is an integer number (21973913).

Almost surely, 2^243153054 is an apocalyptic number.

243153054 is an abundant number, since it is smaller than the sum of its proper divisors (284220858).

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

243153054 is a wasteful number, since it uses less digits than its factorization.

243153054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912 (or 13909 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243153054 is about 15593.3657046835. The cubic root of 243153054 is about 624.1561338834.

The spelling of 243153054 in words is "two hundred forty-three million, one hundred fifty-three thousand, fifty-four".