243381654 has 24 divisors (see below), whose sum is σ = 535200120. Its totient is φ = 79915968.

The previous prime is 243381641. The next prime is 243381689. The reversal of 243381654 is 456183342.

243381654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99699 + ... + 102110.

It is an arithmetic number, because the mean of its divisors is an integer number (22300005).

Almost surely, 2^243381654 is an apocalyptic number.

243381654 is an abundant number, since it is smaller than the sum of its proper divisors (291818466).

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

243381654 is a wasteful number, since it uses less digits than its factorization.

243381654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201884 (or 201881 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 243381654 is about 15600.6940230235. The cubic root of 243381654 is about 624.3516724534.

The spelling of 243381654 in words is "two hundred forty-three million, three hundred eighty-one thousand, six hundred fifty-four".