243455351164 has 24 divisors (see below), whose sum is σ = 444599735328. Its totient is φ = 116427548160.

The previous prime is 243455351137. The next prime is 243455351171. The reversal of 243455351164 is 461153554342.

It is a self number, because there is not a number n which added to its sum of digits gives 243455351164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480084 + ... + 1636324.

It is an arithmetic number, because the mean of its divisors is an integer number (18524988972).

Almost surely, 2^243455351164 is an apocalyptic number.

It is an amenable number.

243455351164 is a deficient number, since it is larger than the sum of its proper divisors (201144384164).

243455351164 is a wasteful number, since it uses less digits than its factorization.

243455351164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173205 (or 173203 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 243455351164 in words is "two hundred forty-three billion, four hundred fifty-five million, three hundred fifty-one thousand, one hundred sixty-four".