243455097 has 8 divisors (see below), whose sum is σ = 327585280. Its totient is φ = 160814160.

The previous prime is 243455083. The next prime is 243455111. The reversal of 243455097 is 790554342.

243455097 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 (243455083) and next prime (243455111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243455097 - 2⁴ = 243455081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243455057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371929 + ... + 372582.

It is an arithmetic number, because the mean of its divisors is an integer number (40948160).

Almost surely, 2^243455097 is an apocalyptic number.

It is an amenable number.

243455097 is a deficient number, since it is larger than the sum of its proper divisors (84130183).

243455097 is a wasteful number, since it uses less digits than its factorization.

243455097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744623.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 243455097 is about 15603.0476830650. The cubic root of 243455097 is about 624.4144677211.

The spelling of 243455097 in words is "two hundred forty-three million, four hundred fifty-five thousand, ninety-seven".