243535445 has 16 divisors (see below), whose sum is σ = 314783040. Its totient is φ = 180278784.

The previous prime is 243535429. The next prime is 243535463. The reversal of 243535445 is 544535342.

It is a cyclic number.

It is not a de Polignac number, because 243535445 - 2⁴ = 243535429 is a prime.

It is a super-3 number, since 3×243535445³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25724 + ... + 33893.

It is an arithmetic number, because the mean of its divisors is an integer number (19673940).

Almost surely, 2^243535445 is an apocalyptic number.

It is an amenable number.

243535445 is a deficient number, since it is larger than the sum of its proper divisors (71247595).

243535445 is a wasteful number, since it uses less digits than its factorization.

243535445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59684.

The product of its digits is 144000, while the sum is 35.

The square root of 243535445 is about 15605.6222240576. The cubic root of 243535445 is about 624.4831524409.

The spelling of 243535445 in words is "two hundred forty-three million, five hundred thirty-five thousand, four hundred forty-five".