243465264 has 200 divisors, whose sum is σ = 823899648. Its totient is φ = 67962240.

The previous prime is 243465253. The next prime is 243465301. The reversal of 243465264 is 462564342.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 426099 + ... + 426669.

Almost surely, 2^243465264 is an apocalyptic number.

243465264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243465264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411949824).

243465264 is an abundant number, since it is smaller than the sum of its proper divisors (580434384).

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

243465264 is a wasteful number, since it uses less digits than its factorization.

243465264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 630 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 243465264 is about 15603.3734813982. The cubic root of 243465264 is about 624.4231597189.

The spelling of 243465264 in words is "two hundred forty-three million, four hundred sixty-five thousand, two hundred sixty-four".