243734055 has 16 divisors (see below), whose sum is σ = 390768000. Its totient is φ = 129727008.

The previous prime is 243734041. The next prime is 243734069. The reversal of 243734055 is 550437342.

243734055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243734041) and next prime (243734069).

It is not a de Polignac number, because 243734055 - 2¹⁴ = 243717671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8797 + ... + 23766.

It is an arithmetic number, because the mean of its divisors is an integer number (24423000).

Almost surely, 2^243734055 is an apocalyptic number.

243734055 is a deficient number, since it is larger than the sum of its proper divisors (147033945).

243734055 is a wasteful number, since it uses less digits than its factorization.

243734055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33070.

The product of its (nonzero) digits is 50400, while the sum is 33.

The square root of 243734055 is about 15611.9843389622. The cubic root of 243734055 is about 624.6528675008.

The spelling of 243734055 in words is "two hundred forty-three million, seven hundred thirty-four thousand, fifty-five".