243002254 has 32 divisors (see below), whose sum is σ = 408167424. Its totient is φ = 107570880.

The previous prime is 243002237. The next prime is 243002303. The reversal of 243002254 is 452200342.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132387 + ... + 134209.

It is an arithmetic number, because the mean of its divisors is an integer number (12755232).

Almost surely, 2^243002254 is an apocalyptic number.

243002254 is a deficient number, since it is larger than the sum of its proper divisors (165165170).

243002254 is a wasteful number, since it uses less digits than its factorization.

243002254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 243002254 is about 15588.5295650360. The cubic root of 243002254 is about 624.0270763372.

Adding to 243002254 its reverse (452200342), we get a palindrome (695202596).

The spelling of 243002254 in words is "two hundred forty-three million, two thousand, two hundred fifty-four".