230455644 has 12 divisors (see below), whose sum is σ = 537729864. Its totient is φ = 76818544.

The previous prime is 230455633. The next prime is 230455649. The reversal of 230455644 is 446554032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230455649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9602307 + ... + 9602330.

It is an arithmetic number, because the mean of its divisors is an integer number (44810822).

Almost surely, 2^230455644 is an apocalyptic number.

It is an amenable number.

230455644 is an abundant number, since it is smaller than the sum of its proper divisors (307274220).

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

230455644 is a wasteful number, since it uses less digits than its factorization.

230455644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19204644 (or 19204642 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 230455644 is about 15180.7655933421. The cubic root of 230455644 is about 613.0968943984.

The spelling of 230455644 in words is "two hundred thirty million, four hundred fifty-five thousand, six hundred forty-four".