243552045 has 16 divisors (see below), whose sum is σ = 425109312. Its totient is φ = 118085760.

The previous prime is 243552041. The next prime is 243552053. The reversal of 243552045 is 540255342.

243552045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243552045 - 2² = 243552041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243552041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737872 + ... + 738201.

It is an arithmetic number, because the mean of its divisors is an integer number (26569332).

Almost surely, 2^243552045 is an apocalyptic number.

It is an amenable number.

243552045 is a deficient number, since it is larger than the sum of its proper divisors (181557267).

243552045 is a wasteful number, since it uses less digits than its factorization.

243552045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476092.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 243552045 is about 15606.1540745951. The cubic root of 243552045 is about 624.4973409092.

The spelling of 243552045 in words is "two hundred forty-three million, five hundred fifty-two thousand, forty-five".