243345054 has 16 divisors (see below), whose sum is σ = 488450448. Its totient is φ = 80821632.

The previous prime is 243345031. The next prime is 243345059. The reversal of 243345054 is 450543342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243345059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71547 + ... + 74870.

It is an arithmetic number, because the mean of its divisors is an integer number (30528153).

Almost surely, 2^243345054 is an apocalyptic number.

243345054 is an abundant number, since it is smaller than the sum of its proper divisors (245105394).

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

243345054 is a wasteful number, since it uses less digits than its factorization.

243345054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146699.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 243345054 is about 15599.5209541832. The cubic root of 243345054 is about 624.3203739881.

Adding to 243345054 its reverse (450543342), we get a palindrome (693888396).

The spelling of 243345054 in words is "two hundred forty-three million, three hundred forty-five thousand, fifty-four".