243934054 has 64 divisors (see below), whose sum is σ = 486864000. Its totient is φ = 90768384.

The previous prime is 243934049. The next prime is 243934063. The reversal of 243934054 is 450439342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 150802 + ... + 152410.

It is an arithmetic number, because the mean of its divisors is an integer number (7607250).

Almost surely, 2^243934054 is an apocalyptic number.

243934054 is a deficient number, since it is larger than the sum of its proper divisors (242929946).

243934054 is a wasteful number, since it uses less digits than its factorization.

243934054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 243934054 is about 15618.3883291459. The cubic root of 243934054 is about 624.8236763406.

The spelling of 243934054 in words is "two hundred forty-three million, nine hundred thirty-four thousand, fifty-four".